Fitness, strength & recovery

A lab-made peptide popular for injury recovery. Mostly animal data, and not an approved drug.

A synthetic fragment of thymosin beta-4 marketed for recovery. Animal data only; not approved.

A protein supplement made from animal collagen, popular for skin, joints and recovery.

A gentle form of magnesium that people take for sleep and relaxation.

A copper peptide common in skin-care serums. Injectable versions are not approved.

Prescription testosterone replacement for men with confirmed low testosterone.

The most researched sports supplement, for strength and power; brain effects are being studied.

A growth-hormone-releasing peptide sold online for body composition. Not approved.

A long-acting growth-hormone-releasing peptide sold online, often with ipamorelin. Not approved.

An essential vitamin for bones and muscles; worth testing before you supplement.

An amino acid that fuels gut-lining cells; taken for "leaky gut" and recovery.

A modified growth-hormone fragment promoted for fat loss without an FDA-approved use.

A long-acting laboratory analog of IGF-1 with no FDA-approved human use.

A mineral supplement for iron deficiency, best taken after a ferritin or blood test confirms a need.