Best Interventions for Neuroplasticity, Ranked by Evidence

Every intervention Outliyr has scored for neuroplasticity, ranked by its BioHarmony score for this use case rather than its overall rating. The number beside each name is how well that one thing works for neuroplasticity; the tier beside it is what it is worth once safety, cost and effort are counted across everything else.

36 of 90 evaluated interventions score 3.0+ out of 10 for neuroplasticity · 8 comparisons

Ranked for Neuroplasticity

Category
  1. Neurofeedback

    8.0–8.5 /10 for neuroplasticity 8.0–8.5/10 overall Strong recommend Neurostimulation & Neurofeedback

    Ostinelli et al. 2025 supports the core mechanism. Neurofeedback directly trains learned self-regulation of brain activity. Sitaram 2017 describes closed-loop brain training as a neuroplasticity tool, and Van Doren 2019 supports durability…

  2. Hyperbaric Oxygen Therapy

    6.0–6.5 /10 for neuroplasticity 5.5–6.0/10 overall Worth trying Hyperbaric

    Chronic stroke, TBI, and cognitive-aging studies repeatedly invoke perfusion and neuroplasticity signals. Efrati 2013 reports neurological improvement with brain perfusion changes in chronic post-stroke patients. Score above neutral with the caveat that…

  3. Zone 2 Cardio

    6.0–6.5 /10 for neuroplasticity 8.0–8.5/10 overall Strong recommend Cardiovascular

    The existing rationale points to this narrower claim: Aerobic exercise supports BDNF and vascular mechanisms that help neuroplasticity. Zone 2 deserves a solid score as a base intervention, but learning. That does…

  4. Lion’s Mane

    6.0–6.5 /10 for neuroplasticity 7.0–7.5/10 overall Strong recommend Functional Mushroom

    Willis 2025 anchors the most relevant signal. Lion's Mane fits neuroplasticity when the goal is gentle mushroom-based support for cognition, mood, nerve biology, or gut-immune signaling over weeks. The score stays bounded…

  5. Semax

    6.0–6.5 /10 for neuroplasticity 7.0–7.5/10 overall Strong recommend Neuropeptide

    The neuroplasticity score rests on Dolotov et al. 2006, which found BDNF and TrkB upregulation in rat hippocampus after intranasal Semax, not on direct human neuroplasticity biomarkers. That makes Semax more defensible…

  6. Ca-AKG (Calcium Alpha-Ketoglutarate)

    5.5–6.0 /10 for neuroplasticity 6.5–7.0/10 overall Worth trying Vitamin & Mineral & Nutrient

    Filip 2007 supports direction more than certainty. The existing rationale points to this narrower claim: JmjC histone-demethylase cofactor biology is neuroplasticity-adjacent, and this verified source adds preclinical support. Human data are absent.…

  7. Glycine

    5.5–6.0 /10 for neuroplasticity 7.5–8.0/10 overall Strong recommend Vitamin & Mineral & Nutrient

    Soh 2024 anchors the most relevant signal. Glycine fits neuroplasticity because glycine participates in sleep signaling, glutathione, collagen, methylation, and nervous-system balance, depending on the endpoint. The score stays bounded because many…

  8. Whole-Body Vibration

    5.5–6.0 /10 for neuroplasticity 7.0–7.5/10 overall Strong recommend Vibration & Mechanical Stimulation

    Whole-Body Vibration may promote proprioceptive re-patterning and sensory input that support rehabilitation learning, especially in neurological populations. Current research shows functional improvements in motor tasks, but biomarkers of synaptic change remain unmeasured.…

  9. Norwegian 4×4

    5.0–5.5 /10 for neuroplasticity 8.0–8.5/10 overall Strong recommend Cardiovascular

    The umbrella review by Poon et al. 2024 found that high-intensity interval protocols raise circulating BDNF, a factor linked to neuroplasticity, in about half of the examined studies. HIIT-based sessions can open…

  10. Saffron

    5.0–5.5 /10 for neuroplasticity 7.0–7.5/10 overall Strong recommend Botanical Extract (non-adaptogenic)

    The evidence points to a plausible use case without proving a universal response. Zhang et al. 2025 is the best anchor here because it reports 25 randomized trials, 1486 participants and improved…

  11. Metformin

    5.0–5.5 /10 for neuroplasticity 6.5–7.0/10 overall Worth trying Metabolic & Glycemic Drug

    The evidence does not support Metformin as a neuroplasticity enhancer, and no human studies have measured brain-training outcomes (see the null findings in the exercise-focused trial by Konopka 2019). Metformin's interaction with…

  12. Semaglutide

    5.0–5.5 /10 for neuroplasticity 6.0–6.5/10 overall Worth trying Metabolic & Incretin Peptide

    Semaglutide has plausible GLP-1 brain mechanisms but no conclusive human neuroplasticity endpoint in this report. Yao 2024 supports metabolic effects, which may create a better environment for the brain in high-risk users.…

  13. Dihexa

    5.0–5.5 /10 for neuroplasticity 4.0–4.5/10 overall Caution Research Compound

    McCoy 2013 anchors the most relevant signal. Dihexa fits neuroplasticity only as a research-chemical hypothesis around synaptogenesis and memory circuits, not as a proven human nootropic. The score stays bounded because the…

  14. Rapamycin

    4.5–5.0 /10 for neuroplasticity 6.5–7.0/10 overall Worth trying Longevity & mTOR Drug

    Mechanistic mTOR and autophagy links are plausible, but human neurological effects were not significant in the systematic review.

  15. HRV Biofeedback

    4.5–5.0 /10 for neuroplasticity 9.0–9.5/10 overall Top-tier Wearable & Tracker

    RF training may enhance prefrontal-autonomic coupling; thin direct human data.

  16. Essential Amino Acids

    4.5–5.0 /10 for neuroplasticity 7.5–8.0/10 overall Strong recommend Amino Acid

    No direct neuroplasticity endpoint was verified. EAAs support tissue protein synthesis generally but are not a targeted BDNF, learning, or synaptic-plasticity intervention.

  17. Bromantane (Ladasten)

    4.5–5.0 /10 for neuroplasticity 7.0–7.5/10 overall Strong recommend Synthetic Nootropic (non-racetam)

    Mechanistic support is reasonable. Hippocampal D1/D5-dependent LTP transformation (Mikhaylova/Behnisch 2007) and BDNF + NGF mRNA induction in striatum, hypothalamus, and hippocampus (Salimgareeva 2012) point to a plasticity-supporting profile. No human imaging or…

  18. Noopept (Omberacetam)

    4.5–5.0 /10 for neuroplasticity 6.0–6.5/10 overall Worth trying Synthetic Nootropic (non-racetam)

    The NGF and BDNF finding in rat hippocampus is the strongest mechanistic case noopept has, but no human plasticity endpoint has been measured.

  19. Sprinting (Sprint Interval Training)

    4.5–5.0 /10 for neuroplasticity 6.0–6.5/10 overall Worth trying Cardiovascular

    Intense intervals can raise circulating BDNF and open short plasticity windows, but translation to durable learning gains is unproven for sprint protocols and varies widely between people.

  20. GHK-Cu

    4.0–4.5 /10 for neuroplasticity 7.0–7.5/10 overall Strong recommend Cosmetic & Dermatologic Peptide

    Neuroplasticity remains exploratory. GHK-related neuroprotection and VEGFA pathway signals exist in animal work, including Zhang 2018, but no human neuroplasticity endpoint trial exists for GHK-Cu.

  21. Phosphatidylserine

    4.0–4.5 /10 for neuroplasticity 7.0–7.5/10 overall Strong recommend Vitamin & Mineral & Nutrient

    PS supports PKC-mediated membrane signaling and synaptic function, with clinical support only indirectly through memory trials. This is relevant but not a direct neuroplasticity endpoint.

  22. Ashwagandha

    4.0–4.5 /10 for neuroplasticity 6.5–7.0/10 overall Worth trying Adaptogenic Herb

    Neuroplasticity is mostly preclinical and cognition-adjacent. Withanolide biology supports neuronal-growth hypotheses, and Zhu 2026 improves the adult cognition evidence base. Direct human brain-imaging or structural neuroplasticity trials remain absent.

  23. Tirzepatide

    4.0–4.5 /10 for neuroplasticity 6.0–6.5/10 overall Worth trying Metabolic & Incretin Peptide

    No human tirzepatide neuroplasticity endpoint is verified. Incretin pathways have neurobiological plausibility. Obesity and diabetes trials do not prove neuroplasticity enhancement. Keep below neutral and resist mechanistic over claims (Drucker 2018).

  24. J-147

    4.0–4.5 /10 for neuroplasticity 6.0–6.5/10 overall Worth trying Research Compound

    J-147 raised hippocampal BDNF and NGF in nearly every study, a plausible plasticity mechanism. This is a molecular readout in animals, not a measured human plasticity outcome.

  25. Tesamorelin

    4.0–4.5 /10 for neuroplasticity 6.0–6.5/10 overall Worth trying Growth Hormone Secretagogue

    IGF-1 supports synaptic plasticity and brain repair pathways, and Baker 2012 gives a human cognition signal. Direct tesamorelin neuroplasticity biomarkers remain sparse.

  26. Spermidine

    3.5–4.0 /10 for neuroplasticity 7.5–8.0/10 overall Strong recommend Vitamin & Mineral & Nutrient

    Autophagy supports neural maintenance, but verified human neuroplasticity evidence is not clean.

  27. Astaxanthin

    3.5–4.0 /10 for neuroplasticity 7.5–8.0/10 overall Strong recommend Vitamin & Mineral & Nutrient

    Preclinical neurotrophic-pathway data and BBB penetration are interesting, but human neuroplasticity endpoints are limited.

  28. Thymosin Alpha-1

    3.5–4.0 /10 for neuroplasticity 7.0–7.5/10 overall Strong recommend Immune Peptide

    Animal neurogenesis pathways exist, but human neuroplasticity endpoints are not established. Keep this exploratory and do not treat thymosin alpha-1 as a cognitive-enhancement peptide.

  29. Selank

    3.5–4.0 /10 for neuroplasticity 6.5–7.0/10 overall Worth trying Neuropeptide

    BDNF data support a neuroplasticity hypothesis. Inozemtseva 2008 reported hippocampal BDNF-expression effects after intranasal Selank in rats, but no human neuroplasticity endpoint exists.

  30. Omega-3

    3.5–4.0 /10 for neuroplasticity 6.5–7.0/10 overall Worth trying Vitamin & Mineral & Nutrient

    DHA supports neuronal membrane structure, but clinical neuroplasticity outcomes remain limited and not practice-changing.

  31. TRT (Testosterone Replacement Therapy)

    3.5–4.0 /10 for neuroplasticity 5.5–6.0/10 overall Neutral Hormone Therapy

    Androgens influence brain biology, but human neuroplasticity outcomes from TRT are not established. The null T Trials cognition result keeps the score low despite mechanistic interest.

  32. NAC (N-Acetylcysteine)

    3.0–3.5 /10 for neuroplasticity 8.0–8.5/10 overall Strong recommend Amino Acid

    Glutamate modulation is mechanistically relevant, but human neuroplasticity endpoints are absent. Stays preclinical.

  33. L-Theanine

    3.0–3.5 /10 for neuroplasticity 7.5–8.0/10 overall Strong recommend Amino Acid

    Preclinical BDNF-related evidence exists, but human neuroplasticity evidence is thin.

  34. BPC-157

    3.0–3.5 /10 for neuroplasticity 7.5–8.0/10 overall Strong recommend Growth & Repair Peptide

    Nerve growth factor interactions; limited direct evidence. Preclinical nerve repair does not establish broad cognitive or skill-learning plasticity.

  35. Full-Body EMS

    3.0–3.5 /10 for neuroplasticity 7.0–7.5/10 overall Strong recommend Resistance & Strength

    Novel motor patterns and involuntary recruitment may challenge cortical control, especially in rehab. Direct neuroplasticity endpoints are sparse, so WB-EMS should be framed as motor re-education support, not a brain-training technology.

  36. Tongkat Ali

    3.0–3.5 /10 for neuroplasticity 6.5–7.0/10 overall Worth trying Adaptogenic Herb

    No direct human neuroplasticity evidence was identified. Tongkat Ali should not be framed as a brain-rewiring or learning-enhancement supplement.

What each one costs

Monthly out-of-pocket cost at the most accessible legitimate channel, at the dose the score was given for. 9 of 36 are not priced yet; those cells are left blank rather than guessed.

InterventionMonthly costAt doseHow you get it
Neurofeedback Not priced yet
Hyperbaric Oxygen Therapy $3,000–$6,0002.0 ATA for 90 minutes with air breaksIn clinic
Zone 2 Cardio Not priced yetOver the counter
Lion’s Mane $20–$403 g/day fruiting body extractOver the counter
Semax $12–$60300-600 mcg/day of 0.1% sprayGrey market
Ca-AKG (Calcium Alpha-Ketoglutarate) $15–$301 g/day generic Ca-AKG oralOver the counter
Glycine $2–$33 g oral glycineOver the counter
Whole-Body Vibration $50–$10030 Hz, roughly 0.3g, 10-20 min standingOver the counter
Norwegian 4×4 Not priced yetOver the counter
Saffron Not priced yet
Metformin $4–$30500 mg with dinner for 1 week, then 500 mg twice daily for 1 week, then increase by 500 mg/week toward 1000 mg twice daily as toleratedPrescription
Semaglutide $199–$3490.25 mg weeks 1 to 4, 0.5 mg weeks 5 to 8, 1.0 mg weeks 9 to 12, 1.7 mg weeks 13 to 16, 2.4 mg week 17 onwardPrescription
Dihexa $30–$608-12 mg/day sublingualResearch use only
Rapamycin $15–$503 mgPrescription
HRV Biofeedback $520 min/session at individual RF (4.5 to 6.5 bpm)Over the counter
Essential Amino Acids Not priced yet
Bromantane (Ladasten) $12–$3030 mgGrey market
Noopept (Omberacetam) $5–$2720 mgGrey market
Sprinting (Sprint Interval Training) Not priced yet
GHK-Cu $30–$1000.5-3% topical serum or creamOver the counter
Phosphatidylserine $20–$50300 mg/day total, split as 100 mg three times daily or 300 mg once daily with foodOver the counter
Ashwagandha $15–$30300 mg KSM-66 with breakfast and 300 mg with dinnerOver the counter
Tirzepatide $299–$4492.5 to 5 to 7.5 to 10 to 12.5 to 15 mgPrescription
J-147 Not priced yet
Tesamorelin $250–$5002 mg subcutaneous daily in the eveningPrescription
Spermidine $40–$901-3 mg/day oral WGEOver the counter
Astaxanthin Not priced yet
Thymosin Alpha-1 $100–$4001.6 mg subcutaneousPrescription
Selank $30–$600.15% intranasal spray, roughly 1-3 sprays per nostril per day depending on actuation sizeGrey market
Omega-3 $20–$401-2 g/day combined EPA+DHAOver the counter
TRT (Testosterone Replacement Therapy) $50–$300Clinician-selected formulation at the lowest dose likely to restore physiologic testosteronePrescription
NAC (N-Acetylcysteine) $5–$15600 to 1,200 mg/dayOver the counter
L-Theanine $3–$8200 mg L-theanine + 100 mg caffeineOver the counter
BPC-157 $40–$80250 to 500 mcg SC 1 to 2x/day near injury siteGrey market
Full-Body EMS Not priced yet
Tongkat Ali $20–$40200 mg/day Physta standardized extractOver the counter

Comparisons that judge neuroplasticity

Head-to-head reports and category rankings that name a winner on this use case.

Questions about neuroplasticity

What scores highest for neuroplasticity?

Neurofeedback, at 8.0–8.5 out of 10 for neuroplasticity. Ostinelli et al.

What is the cheapest thing that works for neuroplasticity?

Of the top-scoring options, Glycine is the least expensive at about $2 a month, scoring 5.5–6.0 out of 10 for neuroplasticity.

What should I be careful with for neuroplasticity?

Dihexa scores 5.0–5.5 out of 10 for neuroplasticity but only 4.0–4.5 overall, landing in the caution tier once safety, side effects, cost and effort are counted.

How many interventions has Outliyr scored for neuroplasticity?

36 of the 90 interventions evaluated for neuroplasticity score 3.0 out of 10 or better, which is the cut-off for appearing on this page.