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Independently tested. Medically reviewed. Updated quarterly. Browse our 21 vetted supplements and cold plunge picks below — click any photo or price to visit the store directly.
Thorne Vitamin D3/K2 Liquid
Pharmaceutical-grade D3 + K2 (MK-4) liquid drops. NSF Certified.
- 500 IU D3
- 100 mcg K2
- Liquid drops Form
- NSF Cert.
Pure Encapsulations D3 + K2 Liquid
Hypoallergenic D3 5000 IU + K2 MK-4 / MK-7 combo.
- 5000 IU D3
- 45 mcg K2
- Liquid Form
- None Allergen
Life Extension Super K Elite
Premium MK-4 + MK-7 + K1 + GG. Bone & cardio support.
- 1500 mcg MK-4
- 180 mcg MK-7
- 1000 mcg K1
- 90 Servings
BioOptimizers Magnesium Breakthrough
7 forms of magnesium in one capsule (glycinate, citrate, threonate, orotate, taurate, malate, fumarate).
- 7 types Forms
- 500 mg Total Mg
- 60 Servings
- Yes Vegan
Magtein Magnesium L-Threonate
Patented Magtein form. Crosses blood-brain barrier — cognitive support.
- 2000 mg L-threonate Mg
- 144 mg Elemental Mg
- Magtein Form
- 30 Servings
Life Extension Magnesium Caps
Three forms of magnesium (oxide, citrate, succinate). Affordable.
- 500 mg Mg total
- 3 (Ox/Cit/Suc) Forms
- 100 Servings
- Yes Vegetarian
Life Extension Super Omega-3 EPA/DHA
IFOS 5-star, sesame lignans + olive extract bonus.
- 700 mg EPA
- 500 mg DHA
- 10 mg Lignans
- Yes Olive ext.
OmegaQuant Omega-3 Index Test
At-home blood test to measure your omega-3 levels accurately.
- Blood test Type
- 2 weeks Result
- EPA + DHA Measures
- OmegaQuant Lab
Sports Research Collagen Peptides
Grass-fed bovine, Type I & III, NSF Certified, unflavored.
- 11 g protein Per scoop
- I + III Type
- Grass-fed Source
- NSF Cert.
NOW Foods Ashwagandha Extract
450 mg standardized 2.5% withanolides. Vegan. GMP certified.
- 450 mg Per cap
- 2.5% Withanolides
- 90 Servings
- GMP Cert.
Optimum Nutrition Micronized Creatine
Best-selling creatine monohydrate. Unflavored, micronized.
- 5 g Per scoop
- 120 Servings
- Monohydrate Form
- Unflavored Flavor
Klean Athlete Klean Creatine
NSF Certified for Sport. Pure Creapure. Athlete-trusted.
- 5 g Creapure Per scoop
- 60 Servings
- NSF Sport Cert.
- Germany Country
Garden of Life Sport Plant-Based Protein
NSF Certified for Sport, organic, vegan, 30g protein per scoop.
- 30 g Protein
- Pea + sprout Source
- NSF Sport Cert.
- Yes Vegan
Onnit Alpha BRAIN
Caffeine-free nootropic with Bacopa, L-tyrosine, alpha-GPC. Lab-verified.
- 2 caps Per dose
- 45 Servings
- None Caffeine
- BSCG Cert.
Life Extension Cognitex Elite
Phosphatidylserine + sage extract + grape seed. Memory + focus.
- 2 tabs Per dose
- 100 mg PS
- 30 Servings
- Yes Vegetarian
Host Defense Lion’s Mane
Organic mycelium + fruiting body. Paul Stamets formulated.
- 2 caps Per dose
- 1000 mg Mg
- USDA Organic
- 30 Servings
Magtein Magnesium L-Threonate Sleep
A research-popularized form. Brain-permeable magnesium.
- 3 caps Per dose
- 2000 mg L-threonate
- 30 Servings
- Magtein Form
Life Extension Optimized Tryptophan
L-tryptophan + niacinamide + lysine. Precursor to serotonin/melatonin.
- 500 mg Tryptophan
- 25 mg Niacinamide
- 90 Servings
- 500 mg Lysine
Pure Encapsulations Apigenin
Pure chamomile-derived apigenin. Calming. Sleep + relaxation.
- 50 mg Apigenin
- 50 mg Per cap
- 60 Servings
- Yes Hypoallergenic
Tru Niagen NR 300mg
Patented Nicotinamide Riboside. Boosts NAD+ levels.
- 300 mg NR
- 30 Servings
- Niagen Patent
- NR Form
Renue By Science Liposomal NMN
Liposomal NMN — superior absorption vs standard powder.
- 250 mg NMN
- Liposomal Form
- 60 Servings
- 3rd party Tested
Pure Encapsulations B12 Liquid
Methylcobalamin liquid drops — fastest absorption.
- 1000 mcg Methyl-B12
- Liquid Form
- 30 mL Servings
- None Allergen
Qunol Ultra CoQ10
Patented water-soluble CoQ10 — 3x absorption vs standard.
- 100 mg CoQ10
- Ubiquinol Form
- 60 Servings
- 3x Absorb.
Life Extension AMPK Metabolic Activator
Activates the cellular "youth enzyme" AMPK to combat abdominal fat and metabolic decline with age.
- 450 mg Gynostemma
- 500 mg Hesperidin
- 1-Daily Form
- 30 Servings
Life Extension Senolytic Activator
Clears senescent "zombie cells" with bioavailable quercetin, fisetin, and theaflavins for healthy aging.
- Quercetin Phytosome Form
- Bio-Fisetin Bonus
- 3 months Supply
- 36 Servings
Life Extension GEROPROTECT Ageless Cell
AI-discovered anti-aging botanicals targeting cellular metabolism and stem cell rejuvenation.
- NAC + Green Tea Blend
- Myricetin Bonus
- AI-discovered Design
- 30 Servings
Life Extension NAD+ Cell Regenerator 300mg
Triple-strength nicotinamide riboside boosts NAD+ levels for mitochondrial energy and cellular repair.
- 300 mg NR
- Vegetarian caps Form
- 1 month Supply
- 30 Servings
Life Extension Optimized Resveratrol Elite
Trans-resveratrol plus quercetin and fisetin activates sirtuin longevity pathways and brain health.
- Trans-resveratrol Active
- Quercetin + Fisetin Synergy
- Vegetarian Form
- 60 Servings
Life Extension Cognitex Alpha-GPC
Entry-level brain support with Alpha-GPC, phosphatidylserine, and wild blueberry for memory and focus.
- 250 mg Alpha-GPC
- 100 mg PS
- Wild Blueberry Bonus
- 30 Servings
Life Extension Optimized Ashwagandha Extract
Sensoril-grade ashwagandha helps regulate cortisol, ease stress, and sharpen focus without sedation.
- 125 mg Sensoril
- 8% Withanolides
- Vegetarian Form
- 60 Servings
Life Extension Endothelial Defense Pomegranate Plus
Full-spectrum pomegranate with CordiArt supports endothelial function and arterial flexibility.
- POMELLA Pomegranate
- CordiArt Blend
- Heart specific Target
- 60 Servings
Life Extension Super Ubiquinol CoQ10 + Shilajit
Kaneka Ubiquinol absorbs 8x better than CoQ10 plus shilajit to boost cellular energy production.
- 100 mg Ubiquinol
- 100 mg Shilajit
- Kaneka Form
- 60 Servings
Life Extension BioActive Folate & Vitamin B12
Methylated B12 and 5-MTHF folate support homocysteine balance for those with MTHFR variants.
- 400 mcg 5-MTHF
- 300 mcg Methyl-B12
- 3 months Supply
- 90 Servings
Life Extension Bone Restore with Vitamin K2
Three forms of calcium plus D3 and MK-7 vitamin K2 for absorbable bone density support.
- 700 mg Calcium
- 200 mcg K2 MK-7
- 1000 IU D3
- 30 Servings
Life Extension NT2 Collagen
Undenatured type II collagen calms joint immune response for comfort, flexibility, and mobility.
- 40 mg UC-II
- 1-daily Form
- Small caps Size
- 60 Servings
Life Extension FLORASSIST GI with Phage Technology
First probiotic with bacteriophage delivery targeting bad bacteria while supporting healthy gut flora.
- 2 probiotic Strains
- 4 types Phages
- LBiome Bonus
- 30 Servings
Life Extension Melatonin IR/XR
Dual-release MicroActive melatonin delivers 7-hour support to fall asleep fast and stay asleep.
- 1.5 mg Melatonin
- IR + 7hr XR Release
- MicroActive Form
- 60 Servings
Life Extension Pregnenolone 100mg
Master neurohormone precursor supports memory, mood, and youthful hormone balance after age 35.
- 100 mg Pregnenolone
- Master hormone Tag
- Vegetarian Form
- 100 Servings