Store Categories
Shop by category
Every vial in the Peptides MuscleMaxxing catalog belongs to one of the store's research shelves, and this page is the way into them. The categories are organised by what the compounds are researched for — fat loss, recovery, growth hormone, skin and beauty, longevity, cognition, hormonal and endocrine work, and the Khavinson bioregulator lineup. Each category page opens with the in-stock product grid for that shelf, plus pricing, vial sizes, and a short buying guide written specifically for it. Shopping by category is the fastest route when you know the research area but not the exact compound. If you already know the vial you want, the full alphabetical catalog is one click away.
Leanmaxxing
The leanmaxxing shelf — every GLP vial we stock plus the non-GLP metabolic compounds: Retatrutide, Tirzepatide, Semaglutide, Cagrilintide, Survodutide, Mazdutide, AOD9604, 5-Amino-1MQ, BAM-15, SLU-PP-332, Tesofensine.
Repairmaxxing
The repairmaxxing shelf — BPC-157 vial and oral capsules, TB-500, Thymosin Alpha-1, and the pre-mixed BPC-157 / TB-500 blends.
Gainmaxxing
The gainmaxxing shelf — GHRH analogues, ghrelin mimetics, pre-mixed blends, and IGF-1 LR3. Everything for GH-axis ordering in one place.
Glowmaxxing
The glowmaxxing shelf — GHK-Cu in two sizes, GLOW and KLOW multi-compound blends, Melanotan I and II, plus SNAP-8 for topical formulation.
Lifemaxxing
The lifemaxxing shelf — Epitalon, NA-Epitalon, MOTS-c (3 sizes), NAD+ (500/1000 mg), SS-31, FOXO4-DRI, P21, Thymulin. Four mechanism families in one place.
Brainmaxxing
The brainmaxxing shelf — N-Acetyl Semax Amidate, NA-Selank Amidate, Selank, DSIP in three sizes, PE-22-28, P21. Focus, anxiety, sleep and mood.
Endomaxxing
The endomaxxing shelf — four HPG-axis and neuroendocrine peptide vials: PT-141 (Bremelanotide), Kisspeptin-10, Oxytocin, Gonadorelin.
Organmaxxing
The organmaxxing shelf — the full Khavinson short-peptide lineup. Pinealon, Cortagen, Cardiogen, Vesugen, Livagen, Thymogen, Vilon and more, each named for its target organ system.