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Supplements · Buyer's Guide S

Creatine in 2026: 6 forms compared, plus the brands actually worth your money

Creatine is one of the most evidence-backed supplements in sports nutrition — yet the market is flooded with underdosed blends, proprietary "advanced" forms with thin data, and monohydrate…

Dr. Sara Reyes, MD 8 min read
Sleep & Recovery · Buyer's Guide M

Best magnesium supplements for sleep, anxiety, and recovery

Most magnesium bottles on the shelf use cheap oxide that barely absorbs — or hide the actual form behind vague "magnesium complex" labels. We tested 24 glycinate, threonate,…

Dr. Sara Reyes, MD 7 min read
Hormones · Buyer's Guide H

Online TRT clinics ranked: a buyer’s guide for men over 35

Most online TRT clinics look identical on the surface — a landing page, a lab requisition, and a monthly subscription. Underneath, the differences in physician oversight, lab depth,…

Dr. Jonathan Aronson, MD 10 min read
Hair & Skin · Buyer's Guide N

The 9 best hair loss treatments in 2026 (finasteride, minoxidil & beyond)

Most hair loss brands sell the same two FDA-approved ingredients under different packaging. We ran a 12-week testing protocol — ordering anonymously, tracking consult quality, prescription fulfillment speed,…

Dr. Anna Kim, MD 9 min read
GLP-1 & Weight · Buyer's Guide C

The 7 best telehealth GLP-1 providers of 2026

The telehealth GLP-1 market exploded in 2024 and hasn't slowed down — but the gap between providers is enormous. Some ship compounded semaglutide for under $100 a month…

Dr. Marcus Patel, MD 11 min read
Longevity & NAD · Buyer's Guide R

The 8 best NAD supplements of 2026, backed by clinical data

Most "NAD boosters" on the market are clever marketing wrapped around underdosed ingredients. We spent four months testing every major NMN, NR, and Niagen product — checking COAs,…

Dr. Sara Reyes, MD 16 min read