Performance supplements include vitamins, minerals, herbs, amino acids as well as extracts and metabolites that are said to improve athletic ability, muscle strength and endurance (ergogenic aids), augment muscle growth (muscle protein synthesis), boost anabolic hormones like testosterone or growth hormone (HGH), reduce pain and fatigue, raise nitric oxide levels, modulate lactic acid levels or enhance male and/or female sexual prowess. Supplements may come in powders, capsules, gel caps bars or liquids and may be sold as individual ingredients or as part of multi-ingredient dietary supplements.
Perfect Amino Review: Does 5 Grams Really Equal 30 Grams of Whey?
PerfectAmino is promoted as a highly efficient essential amino acid supplement, but do the claims hold up? This review examines the 99% utilization claim, the MAP studies, muscle-building evidence, fasting, calories, side effects, and whether 5 grams really compares with 30 grams of whey protein.
Astaxanthin for Cycling: Does It Improve Endurance, Fat Burning or Cycling Performance?
Astaxanthin supplements may improve cycling performance under some conditions, but the evidence is inconsistent. Several small studies report faster time trials or longer cycling time to exhaustion, while another well-designed trial found no benefit.
Last Call Hangover Supplement Review: Does It Really Work?
Last Call is a hangover supplement promoted as a natural way to help your body recover after drinking. Marketed as... READ MORE

Bravenly Rush 27 Surprising Things To Know Before You Buy
Updated November 10 2024. Feel The Rush. That’s the slogan for Bravenly Rush, an advanced strawberry-flavored vitamin energy drink that... READ MORE
Curculigo Orchioides (RhizomK): Natures Testosterone Booster?
The herb, Curculigo orchioides has a long history in Ayurvedic and traditional Chinese medicine to support and improve a number... READ MORE
Can ZMA Zinc and Magnesium Aspartate Raise Anabolic Testosterone? Is It Safe?
Updated January 28, 2025. Written by Joe Cannon, MS. Weightlifters and bodybuilders tout ZMA, a well-known sports performance supplement, for... READ MORE