Supplements

A registered dietitian on creatine gummies: why the format degrades creatine to creatinine, what NOW Foods’ lab tests found, and the only ones worth buying.

You have seen carnosine on supplement shelves, anti-aging skincare labels, and sports nutrition forums. The pitch is appealing: a naturally occurring dipeptide that buffers muscle acid during exercise, scavenges damaging glycation products, and slows cellular aging. But if you have ever swallowed a carnosine capsule and wondered whether any of it actually reached your muscles

A nutrition scientist’s honest take on glycine: 3 g at night has the strongest evidence, it’s dirt-cheap as powder, and you rarely need fancy capsules.

If you've been searching "lion's mane for anxiety," the short answer is: one small human RCT suggests it may help in menopausal women, but the evidence base is too thin to generalize. This article breaks down exactly what that trial found, what the proposed biological mechanism looks like, and how lion's mane compares to other

If you're searching "ashwagandha side effects," you already suspect the botanical wellness narrative may be leaving something out. The honest answer is: ashwagandha is generally well-tolerated at clinical doses, but it carries a documented risk profile that most supplement marketing ignores — including thyroid disruption, liver injury case reports, autoimmune flare potential, and meaningful drug

If you're searching for whether ashwagandha genuinely raises testosterone, the short answer is: it can modestly, but mainly in men who are already training hard or running below their natural baseline — the effect in men with fully normal testosterone is small enough that you might not notice it. This article breaks down the specific

Complete guide to collagen supplements: hydrolyzed peptides for skin, UC-II 40 mg for joints, marine vs bovine, trial-backed doses, honest limits.

A nutrition scientist on the best taurine supplements: 1 to 3 g a day, the honest gap between the mouse aging data and humans, and why you should not overpay.

Prebiotics vs probiotics vs synbiotics, sorted by a dietitian: what each one is, who benefits, and which to reach for first. See what the evidence supports.

NMN vs NR bioavailability compared with niacinamide and nicotinic acid. Honest cost-per-NAD+ math, pathway biochemistry, and which precursor is worth buying.