EVIDENCE BASE

THE SCIENCE

Every supplement recommendation is backed by peer-reviewed research. No influencer deals. No proprietary blends. Click any PMID to read the study on PubMed.

53

Supplements Cited

47

Tier A Studies

100%

PubMed Indexed

Tier A — RCT or Meta-Analysis / Systematic ReviewTier B — Narrative review or mechanistic studyTier C — Observational or animal study

FOUNDATIONAL STACK

Vitamin D3 + K2 Liquid

Thorne

Tier ABUY →

Most adults over 40 are deficient. D3 directly influences testosterone, immune function, cardiovascular health, and bone density. K2 ensures calcium goes to bone, not arteries.

Dose: 4,000–5,000 IU D3 with 200mcg K2 daily

Meta-Analysis: The combination effect of vitamin K and vitamin D on human bone quality. Food Funct. 2020 · PMID 32219282

Magnesium Bisglycinate Powder

Thorne

Tier ABUY →

Most endurance athletes are depleted from sweat losses. Improves sleep architecture, reduces cortisol, supports muscle recovery, and improves insulin sensitivity.

Dose: 200–400mg elemental magnesium

RCT: Magnesium Bisglycinate Supplementation in Healthy Adults Reporting Poor Sleep. Nat Sci Sleep. 2025 · PMID 40918053

Ultimate Omega (1280mg EPA/DHA)

Nordic Naturals

Tier ABUY →

Reduces systemic inflammation, supports cardiovascular health, cognitive function, joint recovery, and mood regulation.

Dose: 2–4 softgels daily with largest meal

Meta-Analysis: Effects of omega-3 fatty acids on coronary revascularization and cardiovascular events. European Journal of Preventive Cardiology. 2024 · PMID 38869144

Creatine Monohydrate

Thorne

Tier ABUY →

The most researched supplement in existence. Supports strength, power output, muscle retention. Critical after 50 when muscle loss accelerates.

Dose: 5g daily — stir into coffee, shake, or water

Meta-Analysis: Creatine Ingestion Strategies on Lean Tissue Mass and Strength. Nutrients. 2021 · PMID 34199420

LONGEVITY STACK

NiaCel 400 (Nicotinamide Riboside)

Thorne

Tier ABUY →

NAD+ declines 50% between ages 40 and 60. NR is a direct NAD+ precursor supporting mitochondrial function, DNA repair, and neuronal health.

Dose: 400mg NR — 1 capsule daily

RCT: Nicotinamide riboside in older adults with mild cognitive impairment. Geroscience. 2024 · PMID 37994989

ResveraCel (NR + Quercetin + Resveratrol)

Thorne

Tier ABUY →

Stacks NR with quercetin phytosome and resveratrol. Quercetin inhibits CD38 (which degrades NAD+), resveratrol activates SIRT1.

Dose: 2 capsules once or twice daily

RCT: Nicotinamide riboside supplementation is well-tolerated and elevates NAD+ in healthy middle-aged adults. Nat Commun. 2018 · PMID 29599478

Mitopure (Urolithin A)

Timeline

Tier ABUY →

The only compound clinically proven to activate mitophagy in humans — the cellular process that clears damaged mitochondria and replaces them with healthy ones.

Dose: 500mg — 1 softgel daily

RCT: Urolithin A Supplementation on Running Performance, Recovery, and Mitochondrial Biomarkers. Sports Med. 2025 · PMID 40839339

Senolytic Activator (Fisetin + Quercetin)

Life Extension

Tier CBUY →

Senolytics clear zombie senescent cells that drive chronic inflammation, tissue damage, and disease. Fisetin is the most potent senolytic compound identified.

Dose: 2 capsules once weekly (pulsed dosing)

Preclinical: Fisetin is a senotherapeutic that extends health and lifespan. EBioMedicine. 2018 · PMID 30279143

spermidineLIFE

Longevity Labs

Tier ABUY →

Activates autophagy — the cellular self-cleaning process that declines with age. Only clinically validated spermidine supplement.

Dose: 1 capsule daily with food

RCT: Spermidine Mitigates Immune Cell Senescence and Boosts Vaccine Responses in Healthy Older Adults. Aging Cell. 2026 · PMID 42169618

Bio-Fisetin

Life Extension

Tier CBUY →

Galactomannan-enhanced fisetin with 25x better bioavailability. Senolytic activity, neuroprotection, and anti-inflammatory.

Dose: 100mg daily, or 500mg for 2–3 days monthly

Preclinical: Fisetin is a senotherapeutic that extends health and lifespan. EBioMedicine. 2018 · PMID 30279143

PERFORMANCE STACK

Whey Protein Isolate

Transparent Labs

Tier ABUY →

High-leucine protein that maximizes muscle protein synthesis. Masters athletes need more protein per pound than younger athletes.

Dose: 25–40g post-workout

Systematic Review: Whey protein supplementation on muscle strength and physical performance of older adults. Clin Nutr. 2024 · PMID 39303495

Collagen Peptides + Vitamin C

Thorne

Tier ABUY →

Stimulates tendon and connective tissue collagen synthesis when taken pre-workout. Critical for masters athletes with injury history.

Dose: 10–15g collagen + 50mg vitamin C

Meta-Analysis: Collagen Peptide Supplementation in Combination with Long-Term Physical Training. Sports Med. 2024 · PMID 39060741

Tart Cherry Extract

Life Extension

Tier ABUY →

Reduces exercise-induced muscle damage and DOMS, improves sleep quality, and accelerates recovery between sessions.

Dose: 480mg — 1 capsule twice daily

Systematic Review: Tart Cherry Juice Supplementation on Recovery from Exercise-Induced Muscle Damage. Sports Med Open. 2026 · PMID 41945263

Creatine/HMB

Transparent Labs

Tier ABUY →

Anti-catabolic compound that prevents muscle breakdown during high training loads and caloric deficits.

Dose: 1g three times daily

Systematic Review: HMB Supplementation on Body Composition in Sarcopenia. J Cachexia Sarcopenia Muscle. 2025 · PMID 39797501

SuperBeets (Beetroot Nitrates)

HumanN

Tier ABUY →

Converts to nitric oxide improving oxygen efficiency and time-to-exhaustion. One of the few pre-workout compounds with genuine peer-reviewed evidence.

Dose: 1 scoop in water — 90 min before key sessions

Systematic Review: Beetroot Juice on Physical Performance in Professional Athletes. Nutrients. 2025 · PMID 40573069

BRAIN & COGNITIVE STACK

Lion's Mane (60 capsules)

Host Defense

Tier ABUY →

Stimulates Nerve Growth Factor (NGF) synthesis — the protein responsible for neuroplasticity and neuronal repair.

Dose: 2 capsules twice daily

Systematic Review: Benefits, side effects, and uses of Hericium erinaceus as a supplement. Front Nutr. 2025 · PMID 40959699

Methyl-Guard Plus

Thorne

Tier ABUY →

Comprehensive methylation support. Directly lowers homocysteine — a neurotoxic and cardiovascular risk marker. Essential for MTHFR carriers.

Dose: 3 capsules daily with food

RCT: Effect of Methylfolate, Pyridoxal-5-Phosphate, and Methylcobalamin supplementation on homocysteine. Nutrients. 2024 · PMID 38892484

Citicoline (CDP-Choline)

Jarrow

Tier ABUY →

Provides choline for acetylcholine synthesis (memory and focus), plus uridine for membrane repair.

Dose: 250–500mg in the morning

RCT: Citicoline and Memory Function in Healthy Older Adults. J Nutr. 2021 · PMID 33978188

Astaxanthin

Life Extension

Tier ABUY →

The most potent antioxidant in nature — 6,000x stronger than vitamin C. Crosses the blood-brain barrier and eye retina.

Dose: 4–12mg daily with a fat-containing meal

RCT: Effect of astaxanthin supplementation on cycling performance and muscle damage biomarkers. BMC Sports Sci Med Rehabil. 2025 · PMID 40615903

METABOLIC HEALTH STACK

Berberine UltraSorb

Pure Encapsulations

Tier ABUY →

Phytosome form with 4x better bioavailability. Comparable to metformin in clinical trials for blood glucose reduction and insulin sensitivity.

Dose: 550mg — 1 capsule twice daily with meals

Systematic Review: Efficacy and safety of berberine on the components of metabolic syndrome. Front Pharmacol. 2025 · PMID 40740996

Curcumin Phytosome (Meriva SF)

Thorne

Tier ABUY →

Meriva phytosome form has 29x better absorption than standard curcumin. Reduces CRP, joint inflammation, and systemic inflammatory load.

Dose: 500mg twice daily with food

RCT: Curcumin supplementation on functional strength and markers of exercise-induced inflammation. Nutr Health. 2024 · PMID 37408367

CoQ10 Ubiquinol

Jarrow

Tier ABUY →

Ubiquinol is the active, reduced form — significantly better absorbed. Essential if on a statin, which depletes CoQ10 by up to 40%.

Dose: 100–200mg daily with a fat-containing meal

RCT: Ubiquinol supplementation enhances peak power production in trained athletes. J Int Soc Sports Nutr. 2013 · PMID 23627788

Pomegranate Extract

Life Extension

Tier ABUY →

Punicalagins convert to urolithins (same pathway as Mitopure). Cardiovascular endothelial support and polyphenol antioxidant load.

Dose: 500mg daily with food

RCT: Pomegranate Extract on IGF-1 Levels and Telomere Length in Older Adults. Nutrients. 2025 · PMID 41010500

DAILY LONGEVITY

D3 + K2 Liquid

Thorne

Tier ABUY →

Bone density, immune function, cardiovascular health. Liquid absorbs faster.

Meta-Analysis: The combination effect of vitamin K and vitamin D on human bone quality. Food Funct. 2020 · PMID 32219282

Magnesium Bisglycinate

Thorne

Tier ABUY →

Sleep quality, muscle function, 300+ enzymatic reactions. Most absorbable form.

RCT: Magnesium Bisglycinate Supplementation in Healthy Adults Reporting Poor Sleep. Nat Sci Sleep. 2025 · PMID 40918053

Ultimate Omega

Nordic Naturals

Tier ABUY →

Inflammation reduction, brain health, cardiovascular protection. 2g EPA/DHA daily.

Meta-Analysis: Effects of omega-3 fatty acids on coronary revascularization and cardiovascular events. European Journal of Preventive Cardiology. 2024 · PMID 38869144

Super Ubiquinol CoQ10

Life Extension

Tier ABUY →

Mitochondrial energy production. Ubiquinol form absorbs 8x better than ubiquinone.

RCT: Ubiquinol supplementation enhances peak power production in trained athletes. J Int Soc Sports Nutr. 2013 · PMID 23627788

Mitopure (Urolithin A)

Timeline

Tier ABUY →

The only clinically proven way to clear damaged mitochondria.

RCT: Urolithin A Supplementation on Running Performance, Recovery, and Mitochondrial Biomarkers. Sports Med. 2025 · PMID 40839339

Senolytic Activator

Life Extension

Tier CBUY →

Clears zombie senescent cells. Fisetin + quercetin + theaflavin.

Preclinical: Fisetin is a senotherapeutic that extends health and lifespan. EBioMedicine. 2018 · PMID 30279143

Bio-Fisetin

Life Extension

Tier CBUY →

Senolytic. Crosses blood-brain barrier. Cognitive protection as we age.

Preclinical: Fisetin is a senotherapeutic that extends health and lifespan. EBioMedicine. 2018 · PMID 30279143

ResveraCel

Thorne

Tier ABUY →

NR + resveratrol + quercetin. NAD+ pathway support for cellular aging.

RCT: Nicotinamide riboside supplementation is well-tolerated and elevates NAD+ in healthy middle-aged adults. Nat Commun. 2018 · PMID 29599478

NiaCel 400 (NR)

Thorne

Tier ABUY →

Nicotinamide riboside for NAD+ production. Energy, DNA repair, longevity.

RCT: Nicotinamide riboside in older adults with mild cognitive impairment. Geroscience. 2024 · PMID 37994989

Methyl-Guard Plus

Thorne

Tier ABUY →

Methylation support. MTHFR-friendly B vitamins. Cardiovascular and cognitive health.

RCT: Effect of Methylfolate, Pyridoxal-5-Phosphate, and Methylcobalamin supplementation on homocysteine. Nutrients. 2024 · PMID 38892484

spermidineLIFE

spermidineLIFE

Tier ABUY →

Autophagy activator from wheat germ. Cell renewal, cardiovascular, cognitive.

RCT: Spermidine Mitigates Immune Cell Senescence and Boosts Vaccine Responses in Healthy Older Adults. Aging Cell. 2026 · PMID 42169618

Astaxanthin

Life Extension

Tier ABUY →

Most powerful antioxidant studied. Skin, eye, cardiovascular, endurance protection.

RCT: Effect of astaxanthin supplementation on cycling performance and muscle damage biomarkers. BMC Sports Sci Med Rehabil. 2025 · PMID 40615903

Optimized Curcumin

Life Extension

Tier ABUY →

Longvida-form crosses blood-brain barrier. Anti-inflammatory, neuroprotective.

RCT: Curcumin supplementation on functional strength and markers of exercise-induced inflammation. Nutr Health. 2024 · PMID 37408367

Zinc Bisglycinate

Pure Encapsulations

Tier ABUY →

Immune function, testosterone, wound healing. Gentlest on gut.

Systematic Review: Zinc supplementation and immune factors in adults. Crit Rev Food Sci Nutr. 2022 · PMID 33356467

PERFORMANCE

Creatine Monohydrate

Thorne

Tier ABUY →

5g daily. Strength, power, muscle retention, brain health. Most researched supplement.

Meta-Analysis: Creatine Ingestion Strategies on Lean Tissue Mass and Strength. Nutrients. 2021 · PMID 34199420

Whey Protein Isolate

Transparent Labs

Tier ABUY →

100% whey isolate, no fillers, no artificial sweeteners. Leucine-rich for MPS.

Systematic Review: Whey protein supplementation on muscle strength and physical performance of older adults. Clin Nutr. 2024 · PMID 39303495

Beta Alanine

Thorne

Tier ABUY →

Supports Muscle Output and Endurance

Systematic Review: HMB Supplementation on Body Composition in Sarcopenia. J Cachexia Sarcopenia Muscle. 2025 · PMID 39797501

Beta-Alanine SR

Thorne

Tier ABUY →

Sustained release prevents tingling. Buffers lactic acid. Endurance + power output.

Systematic Review: Beta-alanine supplementation to improve exercise capacity and performance. Br J Sports Med. 2017 · PMID 27797728

Citicoline (CDP-Choline)

Jarrow

Tier ABUY →

Cognitive performance, focus, brain energy. Stacks well with creatine.

RCT: Citicoline and Memory Function in Healthy Older Adults. J Nutr. 2021 · PMID 33978188

Lion's Mane Mushroom

Host Defense

Tier ABUY →

NGF stimulation, neuroplasticity, cognitive edge. Fruiting body only.

Systematic Review: Benefits, side effects, and uses of Hericium erinaceus as a supplement. Front Nutr. 2025 · PMID 40959699

Berberine UltraSorb

Pure Encapsulations

Tier ABUY →

Glucose disposal, metabolic health, mitochondrial function.

Systematic Review: Efficacy and safety of berberine on the components of metabolic syndrome. Front Pharmacol. 2025 · PMID 40740996

Tart Cherry Extract

Life Extension

Tier ABUY →

Reduces DOMS, improves sleep quality, lowers uric acid post-race.

Systematic Review: Tart Cherry Juice Supplementation on Recovery from Exercise-Induced Muscle Damage. Sports Med Open. 2026 · PMID 41945263

RECOVERY

Glycine Powder

Thorne

Tier ABUY →

3–5g before bed. Sleep depth, collagen synthesis, glutathione production.

RCT: The effects of glycine on subjective daytime performance in partially sleep-restricted healthy volunteers. Front Neurol. 2012 · PMID 22529837

Collagen Peptides

Thorne

Tier ABUY →

Joint, tendon, skin collagen support. Take with vitamin C 30 min pre-workout.

Meta-Analysis: Collagen Peptide Supplementation in Combination with Long-Term Physical Training. Sports Med. 2024 · PMID 39060741

Magnesium Glycinate PM

Pure Encapsulations

Tier ABUY →

Second dose at night. Deep sleep, muscle relaxation, nervous system recovery.

RCT: Magnesium Bisglycinate Supplementation in Healthy Adults Reporting Poor Sleep. Nat Sci Sleep. 2025 · PMID 40918053

Taurine

Life Extension

Tier ABUY →

Muscle function, hydration, heart health. Depleted by endurance training.

Meta-Analysis: Acute Impact of a Single Taurine Dose on Exercise Performance. Scand J Med Sci Sports. 2025 · PMID 40852891

RACE DAY

Maurten Gel 100

Maurten

Tier ABUY →

Hydrogel technology. No GI distress at race intensity. 25g carbs per gel.

Systematic Review: Ergogenic effects of acute carbohydrate feeding on endurance performance. Crit Rev Food Sci Nutr. 2024 · PMID 37449467

Maurten Drink Mix 160

Maurten

Tier ABUY →

Pre-race and long training carb loading. 40g carbs, dual-source.

Systematic Review: Ergogenic effects of acute carbohydrate feeding on endurance performance. Crit Rev Food Sci Nutr. 2024 · PMID 37449467

SaltStick Capsules

SaltStick

Tier BBUY →

Electrolyte capsules matching sweat composition. Easy to dose on the bike.

Review: Rehydration during Endurance Exercise: Challenges, Research, Options, Methods. Nutrients. 2021 · PMID 33803421

Sport Hydration Drink Mix

Skratch Labs

Tier BBUY →

Real fruit flavor, real electrolytes, no artificial anything. Daily training staple.

Review: Rehydration during Endurance Exercise: Challenges, Research, Options, Methods. Nutrients. 2021 · PMID 33803421

Citations reflect the best available evidence at time of curation. This is not medical advice. Consult your physician before beginning any supplement regimen.