Supplements
Creatine market calms after the price spike as gummies reshape demand
Raw monohydrate prices have eased from their 2024 peak while a boom in creatine gummies pulls the market toward new formats, per industry data.
Supplements
Creatine, beta-alanine, caffeine, nitrates and the rest ranked by trial quality and effect size, with dosing, timing and third-party testing status stated.
Supplements
Proprietary blends: what supplement labels are allowed to hide
US rules require a proprietary blend to list its ingredients by weight order and its total weight — but not a single individual amount.
Supplements
How FDA supplement warning letters actually work
Warning letters are public, dated enforcement documents — and reading them directly is more reliable than any summary of enforcement trends.
Supplements
Heavy metals in protein powders: what the testing found
Independent tests of protein powders have detected cadmium, lead, arsenic and mercury at varying levels — mostly trace, occasionally elevated, and never zero.
Supplements
Pre-workout label accuracy: what independent testing has found
Analytical studies of pre-workout supplements repeatedly find caffeine and stimulant contents that diverge from the label — in both directions.
Supplements
What does third-party certification of supplements actually verify?
NSF Certified for Sport and Informed Sport check what the label says is in the bottle — and what is not — but they do not certify that a supplement works.