They can be legally sold online for research use only and not for human consumption, yet their marketing heavily implies otherwise
The 15-20% weight loss figures most often cited come from randomized controlled trials on brand-name FDA-approved versions (STEP trials for semaglutide, SURMOUNT trials for tirzepatide) - not from compounded versions specifically

Acyl-Glutathione: Comprised of 3 amino acids, glutathione is the bodys main antioxidant and can help to reduce the look of fine lines and creases Vitamin F Blend: A blend of flax, chia and macadamia seed oils that promote visible suppleness and create a healthy-looking glow by nourishing the skin barrier Chia Balm: Rice Bran Oil/Hydrogenated Rice Bran Oil Esters, Linum Usitatissimum (Linseed) Seed Oil, Caprylic/Capric Triglyceride, Sorbitan Stearate, Cetearyl Alcohol, PEG-8 Beeswax, Polyamide-3, PEG-6 Caprylic/Capric Glycerides, Butyrospermum Parkii (Shea) Butter, Hexylene Glycol, Polysorbate 20, Silica Dimethyl Silylate, PEG-8 Stearate, Glyceryl Stearate, Macadamia Integrifolia Seed Oil, Salvia Hispanica Seed Oil, Fragrance (Parfum), Sorbitan Oleate, 1,2-Hexanediol, Caprylyl Glycol, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Helianthus Annuus (Sunflower) Seed Oil, S-Palmitoylglutathione, Tocopherol, Rosmarinus Officinalis (Rosemary) Leaf Extract, Limonene, Linalool Chia Oil: Coco-Caprylate/Caprate, Olea Europaea (Olive) Fruit Oil, Isododecane, Hexylene Glycol, Salvia Hispanica Seed Oil, Isononyl Isononanoate, Linum Usitatissimum (Linseed) Seed Oil, Macadamia Ternifolia Seed Oil, Persea Gratissima (Avocado) Oil, Polysorbate 20, Prunus Amygdalus Dulcis (Sweet Almond) Oil, Argania Spinosa Kernel Oil, Fragrance (Parfum), Cholesterol, Ceramide NP, Linoleic Acid, Palmitic Acid, Linolenic Acid, Tocopherol, Ascorbyl Palmitate, S-Palmitoylglutathione, Stearic Acid, Myristic Acid, Limonene, Linalool, Hydroxycitronellal, Citronellol, Benzyl Alcohol For the latest information, it is recommended to review the ingredient list printed on the packaging of the product prior to usage or consumption.

The development of GC involves multiple factors, including Helicobacter pylori and Epstein-Barr virus infections, exposure to carcinogens, suppression of tumor suppression genes, abnormal cell apoptosis, and disruption of cell cycle regulation
European journal of pharmacology, 495(2-3), 201-208