Our Top Picks
The best-researched supplements in every category. Compared by ingredient quality, third-party certification, and value per serving. No paid placements.
Affiliate disclosure: Links on this page may earn us a small commission at no extra cost to you. Our picks are always independent.
Supplements
Protein, creatine, collagen and performance essentials -- verified and ranked.
Best Overall
by Thorne Research
★★★★★
- ✓ NSF Certified for Sport
- ✓ Pure monohydrate, no fillers
- ✓ Mixes clean in water
- ✓ 3rd party batch tested
Best Value
NOW Sports Whey Protein Isolate
by NOW Foods
★★★★★
- ✓ 25g protein per serving
- ✓ Only 3g sugar per scoop
- ✓ Informed Sport certified
- ✓ No artificial sweeteners
Best Collagen
Vital Proteins Collagen Peptides
by Vital Proteins
★★★★☆
- ✓ Grass-fed bovine collagen
- ✓ Types I and III collagen
- ✓ Unflavored -- mixes in anything
- ✓ 20g collagen per scoop
Vitamins
Essential micronutrients in bioavailable forms that actually absorb -- not the cheap versions.
Best D3+K2
Thorne Vitamin D/K2 Liquid
by Thorne Research
★★★★★
- ✓ D3 + K2 combined for absorption
- ✓ Liquid for flexible dosing
- ✓ NSF Certified
- ✓ No soy, dairy, or gluten
Best Magnesium
Thorne Magnesium Bisglycinate
by Thorne Research
★★★★★
- ✓ Highly bioavailable chelated form
- ✓ No laxative effect at normal dose
- ✓ NSF Certified for Sport
- ✓ No artificial fillers
Best B-Complex
Jarrow B-Right Complex
by Jarrow Formulas
★★★★☆
- ✓ Active B12 methylcobalamin
- ✓ Active B6 P-5-P form
- ✓ Folate not folic acid
- ✓ Vegan-friendly capsule
Weight Loss
Metabolism support and appetite aids with real clinical evidence -- not marketing hype.
Best Overall
Thorne Berberine
by Thorne Research
★★★★★
- ✓ 500mg pure berberine HCl
- ✓ No proprietary blends
- ✓ NSF certified
- ✓ Studied for glucose metabolism
Best Appetite Aid
NOW Psyllium Husk Capsules
by NOW Foods
★★★★★
- ✓ Soluble fiber for satiety
- ✓ Supports healthy blood sugar
- ✓ Clean single ingredient
- ✓ 6g fiber per serving
Best Greens
Athletic Greens AG1
by Athletic Greens
★★★★☆
- ✓ 75 vitamins and minerals
- ✓ Probiotics included
- ✓ NSF Certified for Sport
- ✓ Replaces multiple supplements
Gut Health
Probiotics and digestive support with clinically studied strains -- not just high CFU counts.
Best Probiotic
Seed DS-01 Daily Synbiotic
by Seed
★★★★★
- ✓ 24 clinically studied strains
- ✓ Prebiotic + probiotic combined
- ✓ Acid-resistant nested capsule
- ✓ 53.6 billion AFU
Best Budget Probiotic
Culturelle Daily Probiotic
by Culturelle
★★★★★
- ✓ LGG -- most-studied probiotic strain
- ✓ 10 billion CFU per capsule
- ✓ Dairy-free and gluten-free
- ✓ Widely available, low cost
Best Digestive Enzyme
NOW Super Enzymes
by NOW Foods
★★★★☆
- ✓ Broad-spectrum digestive blend
- ✓ Bromelain, ox bile, pancreatin
- ✓ Take with heavy or fatty meals
- ✓ No unnecessary fillers
Sleep and Recovery
Evidence-backed sleep and recovery supplements -- without next-day grogginess.
Best Sleep Support
Thorne Magnesium Bisglycinate
by Thorne Research
★★★★★
- ✓ Promotes muscle relaxation
- ✓ Supports sleep quality
- ✓ No morning grogginess
- ✓ NSF Certified for Sport
Best Melatonin
Life Extension Melatonin 0.3mg
by Life Extension
★★★★★
- ✓ Low-dose (research-supported)
- ✓ No dependency risk at this dose
- ✓ Simple clean ingredient list
- ✓ Vegetarian capsule
Best Adaptogen
Jarrow KSM-66 Ashwagandha
by Jarrow Formulas
★★★★☆
- ✓ 600mg KSM-66 root extract
- ✓ Patented standardized form
- ✓ Cortisol support studied in RCTs
- ✓ Vegan certified