Exercise Mimetics Ranked: Which Ones Actually Work?
Ca-AKG, urolithin A and MOTS-c tie at 6.5, and only the first two are things you can legally buy. SS-31 follows at 6.0. The bottom three score low…
- Urolithin A
- Ca-AKG
- MOTS-c
- SS-31
- +3 more
Best Interventions for Brain Protection, Ranked by Evidence
Every intervention Outliyr has scored for brain protection, 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 brain protection; the tier beside it is what it is worth once safety, cost and effort are counted across everything else.
67 of 110 evaluated interventions score 3.0+ out of 10 for brain protection · 16 comparisons
Ranked for Brain Protection
Category
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Full-Spectrum Hemp (CBD)
Full-spectrum hemp scores 8.4/10 here through its active compound CBD, the strongest part of the whole profile. In Devinsky 2017, a double-blind RCT of 120 children with Dravet syndrome, purified CBD at…
Read the Full-Spectrum Hemp (CBD) report → -
BPC-157
BPC-157 neuroprotection earns 7.5/10 because Vasireddi 2025 anchors the most relevant signal. BPC-157 fits neuroprotection when the target is tissue repair, vascular recruitment, or inflammation control, but the case still rests mostly…
Read the BPC-157 report → -
Neurofeedback
The neuroprotection use case earns 7.0/10 for Neurofeedback, anchored by Voigt et al. 2024. The TBI case is promising but not first-line or guideline-grade. May 2013 found broad positive reports in TBI…
Read the Neurofeedback report → -
Taurine
The practical neuroprotection read on Taurine is 7.0/10 because Wu 2010 reports Corrected v0.x identifier; CNS mechanism review covering osmoregulation, calcium homeostasis, and neuroprotection. Jia 2008 points in the same direction, but…
Read the Taurine report → -
Traditional Sauna (Finnish Dry-Heat)
Neuroprotection scores 7.0/10. Laukkanen 2017 reported that 4 to 7 weekly sauna sessions were associated with a dementia hazard ratio of 0.34 and an Alzheimer disease hazard ratio of 0.35 versus 1…
Read the Traditional Sauna (Finnish Dry-Heat) report → -
GHK-Cu
Evidence puts GHK-Cu at 7.0/10 for neuroprotection, mainly through Pickart et al. 2012. The score is preserved, but the claim is tempered: Tucker 2024 reported intranasal GHK-Cu benefits in a 5xFAD mouse…
Read the GHK-Cu report → -
Whole-Body Vibration
The neuroprotection score for Whole-Body Vibration is 7.0/10, reflecting a modest human signal in Parkinson's disease reported by Arenales Arauz et al. 2022 Arenales Arauz et al. 2022. Whole-Body Vibration may influence…
Read the Whole-Body Vibration report → -
Red Light Therapy
Neuroprotection scores 6.8/10 because Hamblin 2018 reviews transcranial photobiomodulation for TBI and stroke, while human evidence remains early. The mechanism is plausible: near-infrared light may affect mitochondrial function, inflammation, and blood flow…
Read the Red Light Therapy report → -
Zone 2 Cardio
On neuroprotection, Zone 2 Cardio deserves 6.5/10 because Vabishchevich 2026 makes the claim plausible but incomplete. The existing rationale points to this narrower claim: Higher fitness is associated with lower dementia and…
Read the Zone 2 Cardio report → -
Molecular Hydrogen
The practical neuroprotection read on Molecular Hydrogen is 6.5/10 because Tamura 2023 reports 73 randomized; primary neurological outcome not significant, but 90-day survival was 85% vs 61%. Tamura 2024 points in the…
Read the Molecular Hydrogen report → -
Glycine
Glycine neuroprotection earns 6.5/10 because Soh 2024 anchors the most relevant signal. Glycine fits neuroprotection because glycine participates in sleep signaling, glutathione, collagen, methylation, and nervous-system balance, depending on the endpoint. The…
Read the Glycine report → -
Infrared Sauna
A 6.5/10 for neuroprotection fits Infrared Sauna because Kihara 2002 supports direction more than certainty. The existing rationale points to this narrower claim: Neuroprotection is supported by vascular, inflammatory, and heat-shock mechanisms…
Read the Infrared Sauna report → -
Lion’s Mane
Lion's Mane neuroprotection earns 6.5/10 because Willis 2025 anchors the most relevant signal. Lion's Mane fits neuroprotection when the goal is gentle mushroom-based support for cognition, mood, nerve biology, or gut-immune signaling…
Read the Lion’s Mane report → -
Semax
Semax gets 6.5/10 for neuroprotection; the evidence supports a narrow read. Semax has the strongest classification as a neuroprotective peptide: Gusev et al. 2018 reported BDNF and rehabilitation signals after ischemic stroke,…
Read the Semax report → -
Rapamycin
Rapamycin neuroprotection earns 6.5/10 because Harrison 2009 anchors the most relevant signal. Rapamycin fits neuroprotection when mTORC1 modulation, autophagy, immune aging, or senescence biology is the actual target. The score stays bounded…
Read the Rapamycin report → -
Methylene Blue
Methylene Blue's 6.5/10 neuroprotection score starts with Rothenberg 2025, then gets narrowed by the evidence gap. The existing rationale points to this narrower claim: Neuroprotection remains mechanism-heavy and clinically uncertain. The LMTX…
Read the Methylene Blue report → -
Polyphenols (Dietary)
Neuroprotection earns 6.4/10. Shishtar 2020 found participants with the highest flavonoid intake had substantially lower Alzheimer and related dementia risk, with anthocyanins showing a hazard ratio of 0.24 in the top intake…
Read the Polyphenols (Dietary) report → -
Saffron
Population fit explains the 6.0/10 neuroprotection score for Saffron because the evidence points to a plausible use case without proving a universal response. Di Marco et al. 2019 is the best anchor…
Read the Saffron report → -
Astaxanthin
Astaxanthin earns 6.0/10 for neuroprotection because Liu 2024 reports 11 RCTs; 346 healthy participants; significant improvements reported across fatigue, cognition, and exercise-efficiency endpoints overall; endpoint details are limited. Maleki-Hajiagha 2024 points in…
Read the Astaxanthin report → -
Thymosin Alpha-1
Thymosin Alpha-1 neuroprotection earns 6.0/10 because Wu 2025 anchors the most relevant signal. Thymosin Alpha-1 fits neuroprotection when immune modulation is medically relevant and monitored rather than casually guessed. The score stays…
Read the Thymosin Alpha-1 report → -
Ergothioneine
Neuroprotection scores 6.0/10 because the signal is consistent across observational and small interventional work. Cheah 2016 found elderly adults with mild cognitive impairment had significantly lower plasma ergothioneine than controls, and Hatano…
Read the Ergothioneine report → -
Senolytics
The strongest neuroprotection argument for Senolytics is worth 6.0/10, with Zhu et al. 2017 as the anchor. Senescent glial-cell clearance remains a research target; Chaib 2022 frames neurodegeneration as promising but clinically…
Read the Senolytics report → -
Semaglutide
Neuroprotection sits at 6.0/10 because GLP-1 receptor biology is active in brain research, but this report has no decisive Semaglutide neurodegeneration outcome trial. Yao 2024 supports strong metabolic effects across GLP-1 receptor…
Read the Semaglutide report → -
TB-500 (Thymosin Beta-4 Fragment)
For readers prioritizing neuroprotection, TB-500 (Thymosin Beta-4 Fragment) scores 5.8/10 today. Animal stroke and traumatic brain injury models support a neurorestorative signal, including Morris 2010 and Xiong 2012. The score remains moderate…
Read the TB-500 (Thymosin Beta-4 Fragment) report → -
High-Dose Melatonin
High-Dose Melatonin has plausible neuroprotection value through oxidative-stress and mitochondrial mechanisms, with neonatal hypoxic-ischemic encephalopathy pilot data giving one human foothold. The perinatal asphyxia pilot added 10 mg/kg/day to hypothermia in 30…
Read the High-Dose Melatonin report → -
Ozone Therapy
Evidence for Ozone Therapy in neuroprotection lands at 5.8/10 because Khosravi 2024 reports Personally verified; 2024 cerebral gas embolism and multifocal ischemic stroke case during oxygen-ozone therapy. The score stays conditional because…
Read the Ozone Therapy report → -
Ca-AKG (Calcium Alpha-Ketoglutarate)
The practical neuroprotection read on Ca-AKG (Calcium Alpha-Ketoglutarate) is 5.6/10 because Demidenko 2021 anchors the strongest signal. The existing rationale points to this narrower claim: this verified source showed AKG and Ca-AKG…
Read the Ca-AKG (Calcium Alpha-Ketoglutarate) report → -
Vagus Nerve Stimulation
The strongest neuroprotection argument for Vagus Nerve Stimulation is worth 5.5/10, with Paccione et al. 2022 as the anchor. Disorders-of-consciousness and stroke-recovery work is early; Zhang 2026 reported CRS-R improvement in low-certainty…
Read the Vagus Nerve Stimulation report → -
Ketogenic Diet
The main limitation behind Ketogenic Diet's 5.5/10 neuroprotection score is that the evidence points to a plausible use case without proving a universal response. Leung GKW et al. 2025 is the best…
Read the Ketogenic Diet report → -
Tesamorelin
For readers tracking neuroprotection, Tesamorelin deserves 5.5/10 because Stanley et al. 2014 gives the strongest anchor. GH/IGF-1 signaling supports neuronal survival and synaptic function, and Baker 2012 gives human cognitive signal. Direct…
Read the Tesamorelin report → -
SS-31 (Elamipretide)
Population fit explains the 5.5/10 neuroprotection score for SS-31 (Elamipretide) because the evidence points to a plausible use case without proving a universal response. Ehlers JP et al. 2024 is the best…
Read the SS-31 (Elamipretide) report → -
Metformin
Observational data from a CPRD cohort suggest that Metformin users have a modest reduction in neurodegenerative outcomes, yielding a use-case score of 5.4/10 Bannister 2014. Metformin's activation of AMPK and inhibition of…
Read the Metformin report → -
PEMF (Pulsed Electromagnetic Field Therapy)
PEMF (Pulsed Electromagnetic Field Therapy) gets 5.3/10 for neuroprotection; the evidence supports a narrow read. Parkinson's pilot data and preclinical Alzheimer's mechanisms are interesting but not enough for a strong human neuroprotection…
Read the PEMF (Pulsed Electromagnetic Field Therapy) report → -
Hyperbaric Oxygen Therapy
HBOT has plausible neuroplasticity, perfusion, and hypoxia-rescue mechanisms. Efrati 2013 supports chronic post-stroke neurorehab improvements with hard-chamber protocols. Neuroprotection as primary prevention is less established than post-injury rehabilitation. Score modestly above neutral…
Read the Hyperbaric Oxygen Therapy report → -
TUDCA (Tauroursodeoxycholic Acid)
TUDCA scores 5.2/10 for neuroprotection because ALS evidence moved from promising to mixed. Elia 2016 reported a positive small TUDCA add-on ALS trial, and Paganoni 2020 found a Phase II signal for…
Read the TUDCA (Tauroursodeoxycholic Acid) report → -
Tirzepatide
The evidence for Tirzepatide's neuroprotection is limited; no human trials have measured a neuroprotective endpoint (see Franco 2025). Tirzepatide is a dual GIP/GLP-1 receptor agonist that reduces weight and improves metabolic markers,…
Read the Tirzepatide report → -
Creatine Monohydrate
Mechanistically, Creatine Monohydrate fits neuroprotection at 5.0/10 because Watanabe 2002 reports Cognitive performance under mental load and sleep deprivation. Dolan 2019 points in the same direction, but route, dose, baseline status, and…
Read the Creatine Monohydrate report → -
Essential Amino Acids
Mechanistically, Essential Amino Acids fits neuroprotection at 5.0/10 because Hagiyama 2024 reports 12 RCTs; 622 patients; low-certainty improvement in patient-reported outcomes and very-low-certainty strength signal after lower-limb surgeries. Wittholz 2024 points in…
Read the Essential Amino Acids report → -
Phosphatidylserine
Evidence puts Phosphatidylserine at 5.0/10 for neuroprotection, mainly through Guo et al. 2024. PS supports neuronal membrane signaling and synaptic function, as reviewed by Kim 2014. Clinical dementia-prevention evidence is absent, so…
Read the Phosphatidylserine report → -
GlyNAC (Glycine + N-Acetylcysteine)
Neuroprotection scores 5.0/10. The Kumar 2021 pilot reported cognitive gains on the Montreal Cognitive Assessment and Trail-Making tests in older adults, and glutathione is depleted in several neurodegenerative states. But the cognition…
Read the GlyNAC (Glycine + N-Acetylcysteine) report → -
NR (Nicotinamide Riboside)
NR (Nicotinamide Riboside)'s 5.0/10 neuroprotection score starts with Conze 2019, then gets narrowed by the evidence gap. The existing rationale points to this narrower claim: NADPARK (this verified source) showed promising Parkinson's…
Read the NR (Nicotinamide Riboside) report → -
HRV Biofeedback
Vagal tone is neuroprotective; improved HRV post-TBI in clinical protocols.
Read the HRV Biofeedback report → -
Norwegian 4×4
Exercise is broadly neuroprotective, and higher fitness correlates with better brain aging. The exact Norwegian 4x4 evidence remains indirect for neuroprotection endpoints.
Read the Norwegian 4×4 report → -
NAC (N-Acetylcysteine)
Glutathione repletion is plausibly neuroprotective and small Parkinson's and TBI signals exist, but human outcome trials are thin and the evidence stays mechanistic for now.
Read the NAC (N-Acetylcysteine) report → -
Spermidine
Autophagy and mitophagy support the neuroprotection thesis, but verified human neurodegeneration outcomes are not available.
Read the Spermidine report → -
Thymosin Beta-4 (Tβ4)
Neuroprotection rests on consistent rodent stroke and TBI data, per Morris 2010 and Xiong 2011, but no human trial has tested Tβ4 for stroke, TBI, or any acute neurological injury. The mechanism…
Read the Thymosin Beta-4 (Tβ4) report → -
Coenzyme Q10 (CoQ10 / Ubiquinol)
Neuroprotection scores 4.5/10. Mechanistic logic is reasonable and early signals existed, but high-dose Parkinson disease trials (such as the QE3 trial) were stopped for futility, so the clinical neuroprotection case has not…
Read the Coenzyme Q10 (CoQ10 / Ubiquinol) report → -
Ashwagandha
Neuroprotection is supported more by mechanism and cognition-adjacent outcomes than clinical neuroprotection trials. Zhu 2026 strengthens adult cognitive and physical-function evidence, but there are no dedicated human neuroprotection outcome trials proving disease…
Read the Ashwagandha report → -
Cerebrolysin
Neuroprotection is the central claim and the indication set with the most human data, so it scores in the moderate-to-high band while staying honest about the split. Manufacturer-funded acute-stroke and brain-injury trials…
Read the Cerebrolysin report → -
Glutathione (GSH)
Neuroprotection is the marquee research target and the clearest cautionary tale, scoring 4.5/10. Brain glutathione is depleted in Parkinson disease, which inspired multiple trials. The uncontrolled Sechi 1996 IV series reported a…
Read the Glutathione (GSH) report → -
Dihexa
HGF / c-Met synaptogenesis is neuroprotective in theory, and APP / PS1 mouse data from Sun 2021 supports a disease-model signal. Cancer-pathway concern and no human data cap confidence.
Read the Dihexa report → -
Vitamin C (Ascorbic Acid)
Neuroprotection scores 4.0/10. The brain holds some of the highest vitamin C concentrations in the body and uses it as an antioxidant and as a cofactor for neurotransmitter synthesis, which makes the…
Read the Vitamin C (Ascorbic Acid) report → -
Omega-3
DHA is structurally important in neuronal membranes, but dementia-prevention trials have not proven a clinically reliable protective effect. Keep this as suggestive, not established.
Read the Omega-3 report → -
Curcumin
Mechanistically plausible via anti-inflammatory and amyloid-related pathways, and a small imaging RCT hinted at reduced brain amyloid signal, but human neuroprotection outcomes are not established.
Read the Curcumin report → -
Exogenous Ketones
Plausible mechanism, thin direct evidence. The brain readily uses ketones as fuel, and the ketogenic diet has a real anticonvulsant track record (Neal 2008: 38 percent of children achieved over 50 percent…
Read the Exogenous Ketones report → -
L-Theanine
Mechanistic glutamate modulation is interesting, but human clinical neuroprotection evidence is thin.
Read the L-Theanine report → -
NMN (Nicotinamide Mononucleotide)
NAD+ supports neuronal stress-response biology, but NMN neuroprotection is still largely preclinical. Rajman 2018 is mechanistic context, not human neuroprotection proof.
Read the NMN (Nicotinamide Mononucleotide) report → -
Berberine
Animal Alzheimer and Parkinson models show signals, but no confirmatory human neuroprotection data support berberine as a brain-aging intervention. The safety and interaction profile makes speculative long-term neuroprotection a weak reason to…
Read the Berberine report → -
Blood-Flow Restriction Training
No direct BFR neuroprotection evidence supports this as a meaningful use case.
Read the Blood-Flow Restriction Training report → -
Shilajit
Carrasco-Gallardo 2012 supports preclinical neuroprotection and tau-aggregation mechanisms. Human neurodegeneration treatment claims remain unproven.
Read the Shilajit report → -
Bromantane (Ladasten)
BDNF and NGF mRNA induction (Salimgareeva 2012) is plausible neuroprotection support, but no neuroprotection RCT or biomarker data exists.
Read the Bromantane (Ladasten) report → -
Selank
BDNF, monoamine, and stress-model evidence point toward neuroprotective signaling, but no human neuroprotection trial exists. The score stays exploratory.
Read the Selank report → -
Apigenin
Preclinical models suggest BDNF, Nrf2, and anti-inflammatory neuroprotection. Olasehinde 2024 reviewed cognitive and neurobehavioral preclinical evidence. No human cognitive or neuroprotective RCT verifies this use.
Read the Apigenin report → -
Celebrex (Celecoxib)
COX-2 is implicated in neuroinflammation and Alzheimer pathology, but prevention trials did not create a clinically useful neuroprotection case. This remains speculative and off-label.
Read the Celebrex (Celecoxib) report → -
TRT (Testosterone Replacement Therapy)
TRT has mechanistic arguments around androgen signaling, metabolism, and brain aging, but clinical neuroprotection evidence is not established. The null T Trials cognition substudy makes strong brain-protection claims inappropriate.
Read the TRT (Testosterone Replacement Therapy) report → -
Humanin
Neuroprotection is where humanin was born and where the preclinical case is strongest, but it lands at a moderate score because it has never been tested as a neuroprotective therapy in people.…
Read the Humanin report → -
C60 (Buckminsterfullerene)
C60 neuroprotection remains a preclinical idea. Animal Alzheimer's and Parkinson's model papers suggest possible directionality, but human translation is absent and central nervous system penetration appears limited. Baati 2012 cannot support neuroprotection…
Read the C60 (Buckminsterfullerene) report →
Nothing matches those filters.
Comparisons that judge brain protection
Head-to-head reports and category rankings that name a winner on this use case.
Nootropic Peptides and Smart Drugs Ranked by Evidence
Bromantane and semax tie at 7.1, and they are the only two in this category scored strong recommend. Selank is third at 6.9 if anxiety rather than focus…
- Bromantane
- Semax
- Selank
- Piracetam
- +10 more
BPC-157 vs TB-500: Which Is Better for Injury Recovery?
BPC-157 wins for acute tendon or muscle injuries, gut healing, and cost-sensitive use. TB-500 wins for cardiac tissue repair and systemic post-surgical recovery. Both score 7.3 in the…
- BPC-157
- TB-500
Cerebrolysin vs P-21: Which Is Better for Brain Repair?
Cerebrolysin scores 6.3 and P-21 scores 5.0, and the gap is entirely about human data. Cerebrolysin has thousands of trial participants, contested by two independent Cochrane reviews. P-21…
- Cerebrolysin
- P21
CoQ10 vs Methylene Blue: Which Is Better for Energy?
CoQ10 scores 7.1 and methylene blue 6.1, yet methylene blue wins eleven of the seventeen shared use cases. The overall gap is risk, not effect. Methylene blue inhibits…
- Coenzyme Q10
- Methylene Blue
Dihexa vs PE-22-28: Which Is Better for Memory?
Neither, yet. Both have zero human trials, zero human pharmacokinetics and research-only access. PE-22-28 scores 4.9 and dihexa 4.4, and the gap is entirely safety: dihexa potentiates the…
- Dihexa
- PE-22-28
Epitalon vs Pinealon: Which Is Better for Sleep?
Epitalon, if sleep is the question. It scores sleep quality 6.5 against pinealon's 1.7, because it acts on the pineal gland and melatonin output while pinealon is a…
- Epitalon
- Pinealon
Lion’s Mane vs Mushroom Blends: Which Is Better for Focus?
Lion's Mane scores 7.2 and the reishi, cordyceps and chaga blend category scores 5.8. If cognition is the goal, buy the one species: lion's mane takes cognition-focus 7.0…
- Lion’s Mane
- Adaptogenic Mushrooms
Sulforaphane vs Glutathione: Which Is the Better Antioxidant?
Sulforaphane scores 6.8 and glutathione 6.2, and both have a delivery problem. Sulforaphane needs active myrosinase or you absorb half as much. Plain oral glutathione barely raises blood…
- Sulforaphane
- Glutathione
TUDCA vs NAC: Which Is Better for Your Liver?
Different liver problems. NAC scores 8.0 and TUDCA 6.7, and NAC wins liver detox 8.0 against 6.5, but its liver evidence is toxin and oxidative damage. TUDCA owns…
- TUDCA
- NAC
Cerebrolysin vs Semax: Which Is Better for Brain Repair?
Semax scores 7.1 and cerebrolysin 6.3. Semax wins cognition, neuroplasticity and nerve regeneration, costs an ESTIMATED $12 to $60 a month, and goes up your nose. Cerebrolysin wins…
- Cerebrolysin
- Semax
Dihexa vs Semax: Which Is Better for Memory and Focus?
Semax scores 7.1 against dihexa's 4.4, and that gap is real. Semax wins every cognitive use case we scored and carries human stroke data. Dihexa has zero human…
- Dihexa
- Semax
Questions about brain protection
What scores highest for brain protection?
Full-Spectrum Hemp (CBD), at 8.4 out of 10 for brain protection. Full-spectrum hemp scores 8.4/10 here through its active compound CBD, the strongest part of the whole profile.
What is the cheapest thing that works for brain protection?
Of the top-scoring options, Glycine is the least expensive at about $2 a month, scoring 6.5 out of 10 for brain protection.
What should I be careful with for brain protection?
Dihexa scores 4.5 out of 10 for brain protection but only 4.4 overall, landing in the caution tier once safety, side effects, cost and effort are counted.
How many interventions has Outliyr scored for brain protection?
67 of the 110 interventions evaluated for brain protection score 3.0 out of 10 or better, which is the cut-off for appearing on this page.
