acetyl l carnitine and nac N-Acetyl-L-Cysteine, Supplement, 60 capsules Supports immune resilience with a glutathione precursor Life Extension - N-Acetyl-L-Cysteine 600

Ingredients: Cetyl Ethylhexanoate, Sorbeth-30 Tetraoleate, Glycerin, Triethylhexanoin, Polyglyceryl-10 Diisostearate, Dipropylene Glycol, Diisostearyl Malate, Caprylic/Capric Triglyceride, Helianthus Annuus (Sunflower) Seed Oil, Glyceryl Behenate/Eicosadioate, Olea Europaea (Olive) Fruit Oil, Simmondsia Chinensis (Jojoba) Seed Oil, Stearoyl Inulin, Lavandula Angustifolia (Lavender) Oil, Citrus Limon (Lemon) Peel Oil, Hippophae Rhamnoides Fruit Oil, Polyglyceryl-10 Behenate/Eicosadioate, Citrus Nobilis (Mandarin Orange) Peel Oil, Cedrus Atlantica Wood Oil, Caprylyl Glycol, Ethylhexylglycerin, Citrus Aurantium Dulcis (Orange) Peel Oil, Rosmarinus Officinalis (Rosemary) Leaf Oil, Water, Candida Bombicola/Glucose/Methyl Rapeseedate Ferment, Tocopherol, 1,2-Hexanediol, Ascorbic Acid, Hydroxypropyl Cyclodextrin, Glutathione, Disodium EDTA, Niacinamide, Pantothenic Acid, Linolenic Acid, Biotin, Tocopheryl Acetate, Cyanocobalamin, Limonene, Linalool

Muscles themselves produce both IGF-I and IGF-II 32 , which are most likely sufficient for maintaining muscle mass

J Postgrad Med 1999;45(2):38-41

These mechanisms are central to how IGF-1 contributes to both strength and recovery in human biology