Best-of lists

Ranked picks with a quick-pick table. We explain how we chose, and which links are affiliate links.

Best Collagen Supplements: Price per Serving and Evidence

Best collagen supplements: powders compared by price per serving and per gram of collagen, with named testing and honest evidence notes on skin and joints.

Best CoQ10 Supplement: Ubiquinone vs Ubiquinol, Compared

Best CoQ10 supplement: four ubiquinone and ubiquinol products compared by mg per serving, price per 100 mg and testing, with honest evidence notes.

Best Creatine: Monohydrate Compared by Price per 3 g

Best creatine: monohydrate powders compared by price per 3 g, serving size and named testing, with beginner dose notes and honest evidence notes.

Best Glycine Supplement: Powder vs Capsules, by Price

Best glycine supplement: powder and capsules compared by price per 3 g, named testing and serving size, with honest notes on the evidence.

Best Magnesium Supplement: Elemental mg and Price Compared

Best magnesium supplement: glycinate and other forms compared by elemental magnesium per serving and price per 365 mg, with honest evidence notes.

Best NAD Supplement: What to Look For and NR Picks

The best NAD supplement options for 2026 compared on dose per serving, form, third-party testing and price per day. Evidence notes, no hype.

Best NR Supplement: Nicotinamide Riboside Compared

Our picks for the best NR (nicotinamide riboside) supplement in 2026: dose per serving, testing, price per day and what trials show. Affiliate links.

Best Omega 3 Supplement: Price per Gram of EPA + DHA

Best omega 3 supplement: fish oil compared by EPA plus DHA per serving, price per gram, named testing and honest notes on what large trials show.

Best Quercetin Supplement: Dose, Form and Price Compared

Best quercetin supplement: three products compared by quercetin per serving, form, testing and price per 500 mg, with honest evidence notes.

Best Resveratrol Supplement: trans-Resveratrol per $

The best resveratrol supplements for 2026 compared on trans-resveratrol content, dose, third-party testing and price per serving. Affiliate links.

Best Spermidine Supplement: mg per Dose and Price

Best spermidine supplement: four products compared by mg of spermidine per serving, source, testing and price per dose, with honest evidence notes.

Best TMG Supplement: Dose, Purity and Price Compared

Best TMG (betaine) supplement: three products compared by grams per serving, price per gram and testing, with the cholesterol caveat explained.

Best Vitamin D Supplement: Price per 10 µg Compared

Best vitamin D supplement: tablets, capsules and softgels compared by µg and IU per serving and price per 10 µg, with honest trial evidence notes.