---
slug: cognitive-stack-adderall-insomnia
title: "Semax, DSIP, and Selank: Evidence Review on Mechanisms Related to Cognition, Sleep, and Anxiety"
kind: source_ledger
status: published
hash: bf32eb1153a063182a371b41413eb67fc1f52e4081a4d5eadb78843c1386faaf
created: 2026-06-29T13:25:32.743Z
updated: 2026-10-08T11:50:07.602Z
summary: "Data on Semax, DSIP, and Selank derive primarily from preclinical models, small human trials (often Russian-language or limited sample size), and mechanistic studies. No human trials examine the combination in Adderall (amphetamine) users"
tags: []
above: []
below: []
adjacent: []
nested: []
---
# Semax, DSIP, and Selank: Evidence Review on Mechanisms Related to Cognition, Sleep, and Anxiety

*Data on Semax, DSIP, and Selank derive primarily from preclinical models, small human trials (often Russian-language or limited sample size), and mechanistic studies. No human trials examine the combination in Adderall (amphetamine) users*

## Overview

Data on Semax, DSIP, and Selank derive primarily from preclinical models, small human trials (often Russian-language or limited sample size), and mechanistic studies. No human trials examine the combination in Adderall (amphetamine) users or for stimulant-related insomnia, anxiety, or brain fog. Claims below are graded by evidence tier and separated by study type. No human data exist on long-term effects, interactions with stimulants, or use for cognitive concerns in this population.

## Semax

Semax is described as upregulating BDNF for neuroprotection and cognitive recovery (mechanistic).

### Human Data
- Small pilot studies in healthy volunteers reported changes in fMRI signals and attention/short-term memory measures (human, small n).
- Stroke patient studies noted increased plasma BDNF levels after courses of Semax (human, n~110 in one report).

### Preclinical Data
- Rat hippocampal studies showed Semax increased BDNF protein, trkB phosphorylation, and mRNA levels, correlating with improved conditioned avoidance responses (preclinical).

No human data on Semax for anxiety reduction or in stimulant users.

## DSIP

DSIP is described as promoting natural deep sleep without Ambien-class hangover effects (mechanistic).

### Human Data
- Open-label study (n=7 severe insomnia) reported normalized sleep in 6/7 cases for 3-7 months follow-up (human).
- Double-blind study (n=16 chronic insomniacs) found higher sleep efficiency and shorter latency vs placebo (human).
- Earlier small volunteer studies noted increased sleep time and efficiency (human, n<10).

All human trials had very small samples; mixed or modest results noted in reviews. No human data on DSIP with stimulants or for anxiety/brain fog.

### Preclinical Data
- Animal models of insomnia showed reduced wakefulness time with DSIP (preclinical).

## Selank

Selank is described as reducing anxiety via non-benzodiazepine pathways without sedation or addiction (mechanistic).

### Human Data
- Studies in generalized anxiety disorder (GAD) patients reported anxiolytic effects comparable to benzodiazepines, with some cognitive enhancement noted and no sedation/dependence in short-term use (human, small n, Russian trials; one n=30 comparison).
- GAD approval in Russia based on such data; rapid vs gradual responders observed in EEG/clinical scales (human, n=20).

### Preclinical Data
- Animal models demonstrated anxiolytic activity without typical benzodiazepine side effects (preclinical).

No human data on Selank for sleep or in Adderall users. Limited Western large-scale RCTs.

## Combination and Novelty

Limited commercial blends and user reports mention Semax+Selank+DSIP together for focus, calm, and sleep (anecdotal). No published human trials on the stack, interactions with amphetamines, or repair-vs-suppression outcomes in any population. All claims on combined use remain speculative.

## Sources and Limitations

Evidence is graded above. No large-scale, placebo-controlled Western trials exist for these peptides in the described context. Preclinical data predominate for mechanisms; human data are sparse and often small-scale.

---

Related:
[cognitive stack intro](/a/cognitive-stack-intro) · [dsip adderall insomnia](/a/dsip-adderall-insomnia)

![[cognitive-stack-intro]]

![[dsip-adderall-insomnia]]

## Facts

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## Sources

1. [Semax, an analog of ACTH(4–10) with cognitive effects, regulates BDNF and trkB expression in the rat hippocampus](https://www.sciencedirect.com/science/article/abs/pii/S0006899306022955) — “a single application of Semax (50 μg/kg body weight) results in a maximal 1.4-fold increase of BDNF protein levels... Semax-treated animals showed a distinct increase in the number of conditioned avoidance reactions.” (sha256 87dd72817b7644fc)
2. [Semax Cognitive Vitality For Researchers](https://www.alzdiscovery.org/uploads/cognitive_vitality_media/Semax-Cognitive-Vitality-For-Researchers.pdf) — “In one pilot study in 24 healthy subjects... increased resting fMRI signal... Another study in 110 patients with stroke reported that treatment with semax... increased plasma BDNF levels.” (sha256 363e933d86e782b0)
3. [A clinical trial with DSIP](https://pubmed.ncbi.nlm.nih.gov/6391926/) — “In an open study 7 patients with severe insomnia were treated... In all but 1 case sleep was normalized for follow-up periods of 3-7 months.” (sha256 bbf16884c3058f76)
4. [Effects of delta sleep-inducing peptide on sleep of chronic insomniac patients. A double-blind study](https://pubmed.ncbi.nlm.nih.gov/1299794/) — “higher sleep efficiency and shorter sleep latency with DSIP as compared to placebo.” (sha256 632afd995eed439f)
5. [Peptide Selank Enhances the Effect of Diazepam in Reducing Anxiety](https://pmc.ncbi.nlm.nih.gov/articles/PMC5322660/) — “The individual administration of Selank was the most effective in reducing elevated levels of anxiety...” (sha256 98fc7470ff75c2cb)
6. [Semax, an ACTH(4-10) analogue with nootropic properties, activates dopaminergic and serotoninergic brain systems in rodents](https://pubmed.ncbi.nlm.nih.gov/16362768/) — “Semax injected 20 min prior D-amphetamine dramatically enhanced the effects of the latter on the extracellular level of dopamine and on the locomotor activity of animals. Our results reveal the positive modulatory effect of Semax on the striatal serotonergic system and the ability of Semax to enhance both the striatal release of dopamine and locomotor behavior elicited by D-amphetamine.” (sha256 cba6c87cda5c16f6)
7. [Semax, an analogue of adrenocorticotropin (4-10), is a potential agent for the treatment of attention-deficit hyperactivity disorder and Rett syndrome](https://pubmed.ncbi.nlm.nih.gov/16996699/) — “Evidence from animal studies revealed that Semax can augment the effects of psychostimulants on central dopamine release and also stimulates central brain-derived neurotrophic factor (BDNF) synthesis... Since ADHD is likely to be a neurodevelopmental disorder with disturbance in dopamine and BDNF function, it is proposed in this paper that Semax may have good therapeutic potential in ADHD.” (sha256 86456091f8db3a3b)
8. [Functional Connectomic Approach to Studying Selank and Semax Effects](https://pubmed.ncbi.nlm.nih.gov/32342318/) — “The present study was aimed at the assessment of effects of anxiolytic Selank and nootropic Semax on the whole-brain resting-state functional connectivity (FC) of each of the predefined regions of interest (ROIs) in 52 healthy participants.” (sha256 862dc65c97bc8aea)
9. [Selank and Semax Peptides in Southlake, TX](https://medreinhealth.com/blog/selank-and-semax-peptides-in-southlake-tx/) — “Whether you’re a high-performing executive in Southlake Town Square who needs peak mental performance, a parent struggling to keep up with work and family demands, or someone noticing age-related cognitive decline, there’s a solution beyond stimulants and medications with concerning side effects... Selank and Semax... can transform your mental performance, reduce anxiety, enhance memory, and help you think clearer and faster than you have in years.” (sha256 c3f132a76f41683b)
10. [BPC-157 and ADHD meds???](https://www.reddit.com/r/Peptidesource/comments/1pjbc5m/bpc157_and_adhd_meds/) — “Selank and semax has been great for me though😁” (sha256 d470dd55dfac84b3)
11. [Peptide Therapy for Brain Health: Boost Focus, Memory & Clarity in Atlanta](https://balancedaestheticsmedspa.com/peptide-therapy-for-brain-health-boost-focus-memory-clarity-in-atlanta/) — “Reduce the side effects of stimulants like Adderall” (sha256 abe5129fdc83b68d)
12. [Thoughts on Semax/Selank/Noopept etc. while on Vyvanse?](https://www.reddit.com/r/Biohackers/comments/1qwtv59/thoughts_on_semaxselanknoopept_etc_while_on/) — “Selank has managed to calm me fully down and i dont get that making it easier to focus hard... it also without medication has helped me have a smoother time studying... It also helps so much with anxienty” (sha256 058c1a0dd08df5a0)
13. [The Potential of the Peptide Drug Semax and Its Derivative for the Treatment of Alzheimer's Disease](https://pmc.ncbi.nlm.nih.gov/articles/PMC12755871/) — “Our findings demonstrate that intranasal administration of Semax or Heptapeptide improves the cognitive function in the mouse model of Alzheimer's disease.” (sha256 a448f568a73e85b6)
14. [Peptide for ADHD: Could Semax Support Focus and Attention?](https://www.mindlabpro.com/blogs/nootropics/peptide-for-adhd) — “Can Semax be taken with Adderall or other ADHD medication? There is not enough reliable evidence to establish that combining Semax with ...” (sha256 d3ce98bd76cc15fa)
15. [Semax for ADHD & Anxiety: Why Some Are Ditching Adderall](https://www.redfoxpeptides.is/semax-adhd-anxiety-adderall/) — “The Semax component addresses attention and cognitive deficits while the Selank component prevents the anxiety that can accompany enhanced focus” (sha256 b5b60621bd7b7d34)
16. [Recommendations to increase ADHD med efficacy](https://www.reddit.com/r/Nootropics/comments/1phbc9o/recommendations_to_increase_adhd_med_efficacy/) — “I also use Semax and Selank peptides alone or together subcutaneously with vyvanse or dexamfetamine. It really enhances vyanse and dexxy more than anything else I have tried so far. EDIT: with semax, I use a lower dose like 100 or 200mcg as at 500mcg (the standard Russian protocol) it makes me too jittery/disordered. It often helps to pair it with selank at 500mcg.” (sha256 e5f8ef384d11f6f7)
17. [Has anyone tried Semax and Selank Stack?](https://www.reddit.com/r/Biohackers/comments/1t5hr4v/has_anyone_tried_semax_and_selank_stack/) — “For me semax worked wonders i learned how to learn and how it feels to be focused and compared to ritalin im still social and dont stare into a wall like a rock helped get my grades from 5.2 average to 9.6 average (best is 15) I tried selank too but didnt notice much except that i could fall asleep better but i noticed whenever i didnt take it my sleep dropped from 25% rem to 13% rem so i stopped” (sha256 5b047022f06ad6fa)
18. [Selank day 3 - anyone else get this? (anxious ADHD type)](https://www.reddit.com/r/Nootropics/comments/1svksbx/selank_day_3_anyone_else_get_this_anxious_adhd/) — “It's not like benzos where anxiety just melts - it's more like... I feel like myself. Actually myself. Calm, thoughts coming easily, work just flows. You know that feeling after a solid workout - mildly euphoric, present, no static? That. But without the workout.” (sha256 9040dcf08e47c325)
19. [Selank. Life changing so far.](https://www.reddit.com/r/Nootropics/comments/1klzoj7/selank_life_changing_so_far/) — “One week into using Selank to manage GAD and panic disorder. I don’t think my brain has ever been this stable. ... The following day I went to work and had absolutely zero anxiety. It’s usually pretty bad especially in the morning but not this day or any day since starting Selank. I felt more focused and I supposed not being nervous all day helps with that.” (sha256 46583fd0bf642610)
20. [X post by The Peptide Professor](https://x.com/professrpep/status/2062962875719733486) — “Selank + Adderall. My new superior brain stack.” (sha256 56770b4db8dd0743)
21. [X post by I Live U Long Time](https://x.com/iliveulongtime/status/2062868139231027418) — “My Adderall replacement stack: N-Acetyl Semax Amidate 600mcg nasal (AM) Bromantane 50mg oral (AM) L-Tyrosine 500mg oral (AM) N-Acetyl Selank Amidate 600mcg nasal (PM) ... No tolerance, no crash, no dependency.” (sha256 b08221bc6148394a)
22. [Semax increases my anxiety](https://www.reddit.com/r/Nootropics/comments/j0662b/semax_increases_my_anxiety/) — “I have been trying semax and I belive if you take a certain amount it increases anxiety . For me its causing me to get angry easily.” (sha256 db5f1aef2f793f15)
23. [Semax for Focus and ADHD: Can This Peptide Replace](https://formblends.com/articles/peptide-hub/semax-for-focus-adhd-cognitive-performance) — “Users report improved focus, mental clarity, and reduced brain fog. ... Insomnia risk | Low | Moderate to high | Moderate” (sha256 0c9d05afda15d889)
24. [Relieve ADHD Symptoms with Semax](https://bodysymmetrymd.com/relieve-adhd-symptoms-with-semax/) — “"I'd been on Adderall for years and hated the side effects — anxiety, appetite loss, crashes. Semax gave me real, clean focus without any of that."” (sha256 a2671f7d4dd8edd6)
25. [Selank Peptide Guide and Resources](https://brookshealingcenter.com/blog/selank-peptide/) — “Selank is primarily studied for anxiety, stress reduction, and cognitive support, though it is not FDA approved for any medical use in the United States.” (sha256 ecff1b769465ca4d)
26. [Selank Administration Affects the Expression of Some Genes Involved in Neurotransmission](https://pmc.ncbi.nlm.nih.gov/articles/PMC4757669/) — “Our results showed that Selank caused a number of alterations in the expression of genes involved in neurotransmission.” (sha256 7324ba7e08022eb5)
27. [Semax, a Synthetic Regulatory Peptide, Affects Copper Homeostasis](https://pmc.ncbi.nlm.nih.gov/articles/PMC8855339/) — “Semax, an ACTH-like peptide, which is known to form a stable complex with Cu2+ ions and has been proven to have neuroprotective and nootropic effects.” (sha256 80cd87040d09f38f)
28. [Reversing cognitive impairment/brain fog/fatigue ...](https://www.reddit.com/r/CPTSD_NSCommunity/comments/rmym1q/reversing_cognitive_impairmentbrain_fogfatigue/) — “depression and Selank / Semax for the last 2 weeks of it or so. This really improved my brain fog and fatigue, it has been the best treatment ...” (sha256 d75dca0cbeae2ab5)
29. [X post on Selank and Semax stack](https://x.com/BigPeptideGuy/status/2041473008234115404) — “Selank is the anxiety counterpart. ... Together they're basically a clean Adderall alternative without the crash.” (sha256 21866b904e7d9cc2)
30. [Semax and Selank: The Cognitive Peptides Now Legal for Compounding — What the Evidence Says](https://meto.co/blog/semax-selank-cognitive-peptides) — “Selank has completed Phase III clinical trials in Russia for generalised anxiety disorder (GAD). Neither compound has FDA approval in the United States.” (sha256 8bcc6644f491bd6c)
31. [Stacking Peptides for Mental Health: What We Know About Combining Selank, Semax, and Others](https://drlewis.com/stacking-peptides-for-mental/) — “The most common mental health peptide stack combines Selank (anxiolytic, GABA-modulating) with Semax (nootropic, BDNF-enhancing). The theoretical rationale is solid: reduce anxiety while enhancing cognitive function.” (sha256 5e3217b411ba14d1)
32. [Targeting Brain Fog and Anxiety with Selank and Semax Peptides](https://agerejuvenation.com/blog/targeting-brain-fog-and-anxiety-with-selank-and-semax-peptides/) — “Selank supports calmer focus by influencing GABA and serotonin pathways, while Semax boosts BDNF for memory and mental stamina. Used under medical guidance, the two can complement each other when brain fog and worry show up together.” (sha256 27e84ac5e396a40e)
33. [Selank Peptide | Benefits, Safety & Buying Advice [2026]](https://www.innerbody.com/selank-peptide) — “According to the results of preclinical and clinical studies of Semax and Selank, it can be concluded that both peptides are safe and highly effective.” (sha256 69263f54bb580d8c)
34. [[Semax potentiates effects of D-amphetamine on the level of extracellular dopamine in the striatum of awake rats]](https://pubmed.ncbi.nlm.nih.gov/15188751/) — “Simultaneous introduction of semax (0.6 mg/kg) and D- amphetamine (2 mg/kg) led to a more pronounced increase in the locomotor activity of mice (261%, p < 0.01).” (sha256 5a3d0ccde2199c2e)
35. [Peptides With Psychiatric Medications: A Psychiatrists Guide](https://thebh.us/blog/peptides-with-psychiatric-medications/) — “Selank may be useful for stimulant-related anxiety or sleep disruption.” (sha256 472aa6823d8d83fd)
36. [Semax and Adderall affect many of the same brain ...](https://www.instagram.com/reel/DVwGAOdAFQW/) — “Semax and Adderall affect many of the same brain pathways. ... However, they shouldn’t be taken together, as combining them can increase side effects like anxiety and elevated heart rate.” (sha256 71893c0e38811cfa)
37. [Semax Peptide for Brain Health, Cognition & Neuroprotection ...](https://www.youtube.com/watch?v=u9Sf6_h3l9I) — “Why Semax shows promise for ADHD as a non-addictive alternative to stimulants — and how it compares to Adderall” (sha256 b92380695b153d1b)
38. [Peptide of the Week: Semax](https://www.youtube.com/watch?v=WVdEF9RPD64) — “Originally created to help stroke victims recover faster, Semax has gained a loyal following for its ability to enhance focus, reduce brain fog, and support long-term brain health without the crash of stimulants like Adderall or caffeine.” (sha256 1a7eb20c01d7ca6f)
39. [Selank for Anxiety: Evidence, Mechanism, Realistic ...](https://drlewis.com/selank-for-anxiety/) — “Selank is often compared to Semax because the two peptides are frequently discussed together in nootropic and biohacking communities.” (sha256 8985613d52b91018)
40. [Selank vs. Semax: Cognitive Enhancement, Stress ...](https://tydes.is/selank-vs-semax-cognitive-stress-research/) — “Semax has a stronger effect on cognitive performance , motivation, and neuroprotection, making it more applicable in studies on learning, memory, and dopamine ...” (sha256 d8d03ed53881c17a)
41. [Semax, p21, and selank with adderall](https://www.reddit.com/r/Nootropics/comments/6zvbwx/semax_p21_and_selank_with_adderall/) — “I took 8mg of selank with 5mg P21 to help with some adderall induced brain fog(usually happens when the dose is too high which means that the peptides seems to be promoting neurogenesis and restoring my sensitivity to the medications). Cleared my head right up and I was able to study away. Following day did the same except I took a lower dose of adderall(15mg q4hrs 3xday) and continued to study with no brain fog and incredible memory.” (sha256 159aaf7028659e03)
42. [Any known peptides to help with anxiety?](https://www.reddit.com/r/peptideforums/comments/1sq9kqz/any_known_peptides_to_help_with_anxiety/) — “Just for context, I’m a 21-year-old male in college that recently got prescribed Adderall and it makes me super anxious and to an extent lowers my quality of life. ... Selank is supposed to help calm anxiety. ... I agree, Selank and Semax as a stack with Selank being used more heavily and Semax for the focus and confidence benefits is a good starting point.” (sha256 2cf98c4ef41323a7)
43. [New to Nootropics. Need focus. Adderall Doesn't Work](https://www.reddit.com/r/Nootropics/comments/1qtohzf/new_to_nootropics_need_focus_adderall_doesnt_work/) — “I am new to Nootropics and I am looking for something to help with brain fog . I have tried adderall in different dosages and I don't notice ...” (sha256 5c769fb19f74bf39)
44. [Semax and Selank Together: Side Effects & SSRI Safety](https://thebh.us/blog/semax-selank-anxiety-depression-ptsd-cognition/) — “Semax and Selank’s effects on neurotrophic factors and neurotransmitter systems also have theoretical relevance to ADHD treatment and prefrontal cortex function.” (sha256 dc85a0d8fe512824)
45. [Best Peptides for Brain Fog: Improve Memory, Focus & Clarity](https://www.klearmindclinics.com/blog/peptides-for-brain-fog) — “Peptides like the Selank peptide help regulate GABA and serotonin, reducing anxiety and promoting calm focus. Meanwhile, the Semax peptide supports dopamine pathways, improving motivation and attention.” (sha256 8486416372ef6cfb)
46. [Peptide Therapy for Brain Health, Mood, and Cognitive Support: A Deep Dive Into Semax and Selank](https://westondiet.com/peptide-therapy-for-brain-health-mood-and-cognitive-support-a-deep-dive-into-semax-and-selank/) — “Semax may help reduce “brain fog” and improve overall cognitive sharpness... Selank is often associated with promoting a sense of calm focus.” (sha256 5ebc0cf9038ed972)
47. [Semax vs Selank: The Real Difference for Focus, Anxiety, ...](https://www.youtube.com/watch?v=PpFDqoI7zGY) — “Semax or Selank may fit better for attention issues or anxiety-driven brain fog. If you're researching peptides for ADHD, non-stimulant ...” (sha256 f99bab5f1548104b)
48. [It's time for Semax. A neuroactive peptide to support ...](https://www.instagram.com/reel/DUEDDMHgLut/) — “Your patients say: “I can’t focus… I feel off… My memory’s shot.” You think: It’s time for Semax. A neuroactive peptide to support cognitive clarity, mood balance, and executive function.” (sha256 2ae193d5c57b9320)
49. [Semax vs Selank: The Science Behind These Nootropic Peptides for Focus and Anxiety](https://meto.co/blog/semax-vs-selank-focus-anxiety) — “The short version is this: **Semax is generally framed as the more pro-cognitive and neurotrophic peptide** , while **Selank is generally framed as the more anxiolytic and stress-modulating peptide** .” (sha256 77b916c2208cf904)
50. [Selank vs Semax: Benefits, Differences & Anxiety](https://www.klearmindclinics.com/blog/selank-vs-semax) — “Selank has anxiolytic (helps with anxiety) and psychostimulant effects and has completed the third phase of clinical testing as a selective anxiolytic. According to these results, Selank shows potential in treating anxiety disorders.”” (sha256 6f8baf4bad2ed06b)
51. [How I dropped Adderall using Semax and Selank](https://www.reddit.com/r/Biohack_Blueprint/comments/1t0vx80/how_i_dropped_adderall_using_semax_and_selank/) — “I did not want to be on it forever. But every alternative I tried made me less effective at work. Then I tried the Semax + Selank stack... Sleep is better Resting heart rate dropped Anxiety on weekends went away Personality came back I do not think about my next dose The focus is more thoughtful and less frantic” (sha256 468a0fd1952f7d20)
52. [Anyone taking Semax and Selank. What is your experience](https://www.reddit.com/r/PeptideForum/comments/1qjtdfv/anyone_taking_semax_and_selank_what_is_your/) — “I use both together. Has had a big impact on reducing anxiety, slowing me down (in a good way), and bringing me to a more neutral/coasting feel - calming my ADHD... More focus, less anxiety, less procrastination, more motivation, and my depression is kept at bay. This is in addition to my Adderall...” (sha256 60e1611248b9f012)
53. [Semax is amazing](https://www.reddit.com/r/BodyHackGuide/comments/1p9ayi4/semax_is_amazing/) — “Been using semax at 2mg a day and my god it's amazing (ADHD mfer here) my focus and mental clarity is amazing, brain fog is gone” (sha256 3ecbaeffbbee6015)
54. [X post on stack including selank and Adderall](https://x.com/reverendmoney/status/2071334777915928675) — “Right now we're keeping it simple for the summer Bpc-157 A little selank Wellbutrin L-Tyrosine +B6 L-theanine A lot of thc Adderall mezodoses as needed not daily SLU-PP” (sha256 de27ce651e9d85f4)
55. [X post recommending Adderall + Na-Semax stack](https://x.com/N8rthTristan/status/2051214098138853473) — “Best Study/Work Stack: Adderall + Na-Semax Adderall Alternative: L-Tyrosine + Bromantane Semax Alternatives: ACD-856, Adamax” (sha256 eb839175c8ea7158)
56. [I took Semax for a week to treat my anhedonia, anxiety and dysthymia. It's changing my life. Here's my log of each day's experiences.](https://www.reddit.com/r/Nootropics/comments/bmywm4/i_took_semax_for_a_week_to_treat_my_anhedonia/) — “I was surprised to feel effects almost immediately, with the “fog” leaving me and a focus settling in. I wouldn’t call that a high but a general feeling of calm, control and wellbeing. I usually have tons of issues sleeping but I went to bed at 10 last night and woke up at 750. No issues. I feel rested.” (sha256 d0c2462b715d5563)
57. [Semax or Selank in adjunction to Vyvanse (or both?)](https://www.reddit.com/r/Nootropics/comments/lrjfzn/semax_or_selank_in_adjunction_to_vyvanse_or_both/) — “Semax was more focused and definitely had a drive to it. ... Selank has a more calming, anxiolytic effect. I took both in combination before too with good results. Almost felt like it was "repairing" my brain for a while.” (sha256 26443aa4a02c0aad)
58. [What bad experiences have you had with Semax?](https://www.reddit.com/r/Nootropics/comments/63303b/what_bad_experiences_have_you_had_with_semax/) — “With my ADD, I have very little dopamine, but serotonin I am fine in (no depression ever until this experience). I also did not like SELANK , it ...” (sha256 4e8644c939699d8c)
59. [Peptide for adhd? Semax](https://www.reddit.com/r/ThisAintAdderall/comments/1qxdcj2/peptide_for_adhd_semax/) — “I take selank and semax and they severely helped with my adhd. I completely stopped taking my vyvanse for a few months... Felt more confident and “in the zone” especially in social settings and work. Although, while you can take selank for extended periods of time, you have to take breaks from semax. I accidentally over did it my first time around and took it for about 3 months straight and started to get negative results from it... Most people do 3-5days on 2 days off...” (sha256 c7a98c860fbf0129)
60. [ADHD-Style Focus Without Adderall: My Updated College Nootropic Stack (Semax, Selank, Noopept, 9-Me-BC)](https://www.reddit.com/r/BioHackingGuide/comments/1pc9dr4/adhdstyle_focus_without_adderall_my_updated/) — “Been trying to drop Adderall during college... I hopped off all stimulants completely and started using Semax 600mcg... Selank 400mcg... this feels steady, clean, and sustainable I can sit down focus and stay productive for hours without anxiety, jitters, or that nasty crash. The biggest difference? My focus feels natural again.” (sha256 3df6269dafcf0fb4)
61. [NA Selank messed me up, need advice](https://www.reddit.com/r/Nootropics/comments/3kzd1j/na_selank_messed_me_up_need_advice/) — “I had been trying Semax and NA Selank for a couple weeks. They seemed to be working alright until I took a 2 spray dose of NA Selank and everything went to ...” (sha256 aa8c87658fc7531e)
62. [A comparison of the various versions of Selank/SEMAX](https://www.reddit.com/r/Nootropics/comments/3kso71/a_comparison_of_the_various_versions_of/) — “So I've been taking selank/semax together at 600mcg, the first day I took a 2mg megadose of each to Kickstart things, that and I had only had 3 hrs of sleep, and boy did things pick up. It smoothed out my thought process and potential ed my 15mg of adderall.” (sha256 c75b75106a8227b0)
63. [NA-Semax: The Holy Grail (with a few notable drawbacks)](https://www.reddit.com/r/Nootropics/comments/juq18g/nasemax_the_holy_grail_with_a_few_notable/) — “Been experimenting with nootropics for years now trying to find something that would help with my ADHD-PI and general ...” (sha256 54b7d1cddbc231b4)
64. [Nootropic Peptide Layer post](https://x.com/VirileForge/status/2037384476678844682) — “Nootropic Peptide Layer (the real game-changer): • Semax 300mcg nasal (AM) — BDNF/NGF rocket for focus & learning • Selank 500mcg nasal (PM or as-needed) — calm clarity, zero anxiety Stack them = “focused calm” that beats Adderall without jitters” (sha256 ff33e313367f81bc)
65. [Why SEMAX Is the Peptide Everyone's Talking About](https://www.youtube.com/watch?v=Ci-bsdaFL8U) — “[@ultracodeua - 55 likes]: I am absolutely thrilled with the results! My memory has improved dramatically, my mind is more focused, I feel more energetic and my vision has improved. Also my anxiety is gone and my sleep is better! I took Selank and Semax together.” (sha256 c0907669ecf819b4)
66. [Semax, ADHD, Severe Anxiety & Depression - Long Term?](https://www.reddit.com/r/Nootropics/comments/1srylgg/semax_adhd_severe_anxiety_depression_long_term/) — “Semax, at only 0.3mg provided nothing more or nothing less than relief, clarity, a quietened mind, and hope. Real hope.” (sha256 0f87ab520fa2b5e9)
67. [Semax + Adderall - stack experience?](https://www.reddit.com/r/Nootropics/comments/49po4m/semax_adderall_stack_experience/) — “So far semax (intranasal) and 10mg adderall is my choice. I typically crash hard when taking adderall though semax seems to counter it.” (sha256 0b45380a28cc6b5b)
68. [Semax and Selank Nasal Spray: Safe to use with Adderall and Klonopin?](https://www.reddit.com/r/Biohackers/comments/1tnr0sz/semax_and_selank_nasal_spray_safe_to_use_with/) — “I take 30mg Adderall XR every morning and 1mg Clonazepam every night. I just received Semax and Selank nasal spray, 50mcg/spray.” (sha256 250886d5760e817e)
69. [Semax is like Adderall but feels much cleaner](https://www.reddit.com/r/Nootropics/comments/l9fvkt/semax_is_like_adderall_but_feels_much_cleaner/) — “Been trying the original Russian Semax (0.1% nasal drops) and so far it is pretty great. After using it i feel like ...” (sha256 f734618695392380)
70. [X post on Semax Selank with stimulants](https://x.com/bensmithlive/status/2025295442897240265) — “Semax and selank . These synthetic peptides, developed in Russia, are often used for neuroprotection or anxiety . Semax has shown preclinical ...” (sha256 2c47ba2fc38660f4)
71. [X post on Semax cognitive benefits](https://x.com/morellifit/status/2064010445636448703) — “I've tried Dihexa and Selank, and I must admit that Semax is head-and-shoulders above them. ... If you pair it with amphetamines, dopamine release and movement increase significantly.” (sha256 25bcbfb936e757cb)
72. [How Semax & Selank completely turned my ADHD symptoms around (and an unexpected 14-point IQ jump)](https://www.reddit.com/r/Biohacking/comments/1ttaf2t/how_semax_selank_completely_turned_my_adhd/) — “For years, I’ve struggled with heavy ADHD-like symptoms: chronic procrastination, forgetfulness, brain fog, emotional dysregulation, and terrible attention span.” (sha256 dfee8dbffbecb66c)
73. [Selank + Semax – Observed Effects (Focus, Anxiety, Sleep, Hairloss, etc)](https://www.reddit.com/r/Nootropics/comments/1rbq1zg/selank_semax_observed_effects_focus_anxiety_sleep/) — “Observation: Poorer sleep quality. ... Anxiety slightly reduced but still have trouble with spotlight effect/performance anxiety” (sha256 d308d003cd504b56)
74. [Experiences with Selank](https://www.reddit.com/r/Anxiety/comments/1nf7y8w/experiences_with_selank/) — “I’ve had the same experience with .250mcg to .500mcg injected subq daily in the morning. ... general anxiety went from like a 6-8/10 to maybe 2/10” (sha256 c9742ef652c7844b)
75. [Semax side effects after one day](https://www.reddit.com/r/Nootropics/comments/1rohx2j/semax_side_effects_after_one_day/) — “Yesterday I felt extremely stimulated and quite good. Today when I woke up I felt extremely groggy and tired. ... Erection_Protection9: Semax ruined my sleep the few times I took it. Stayed awake until 4am.” (sha256 88dc248d95dc5fa2)