I., Otaka, S
The convenient capsule form allows for easy integration into your daily routine
Under medical supervision, TRT can restore hormone levels to a healthy rangepotentially improving energy, mood, focus, libido, and muscle composition
University of Vermont Extension Department of Plant and Soil Science

Chicken, Whole Yellow Peas, Dried Yeast, Lentils, Salmon, Natural Flavor, Sunflower Oil, Dried Egg Product, Salmon Oil, Dicalcium Phosphate, Salt, Choline Chloride, Dehydrated Alfalfa Meal, Vitamins (Vitamin E Supplement, Niacin Supplement, Thiamine Mononitrate, Vitamin A Supplement, Pyridoxine Hydrochloride, D-calcium Pantothenate, Riboflavin Supplement, Biotin, Vitamin B12 Supplement, Vitamin D3 Supplement, Folic Acid), Minerals (Zinc Proteinate, Iron Proteinate, Copper Proteinate, Manganese Proteinate, Sodium Selenite, Calcium Iodate), Inulin, Taurine, Mixed Tocopherols (a preservative), L-Carnitine, Yucca Schidigera Extract, Rosemary Extract *With USA and Globally Sourced Ingredients Manufactured in a facility that also uses grains Guaranteed Analysis Crude Protein, Min: 37.0% Crude Fat, Min: 12.0% Crude Fiber, Max: 5.0% Moisture, Max: 12.0% Taurine, Min: 0.10% L-Carnitine, Min*: 130mg/kg Omega-6 Fatty Acids, Min*: 2.5% Omega-3 Fatty Acids, Min*: 0.50% Calorie Content ME = 3,490 kcal/kg

That literature and its limits are covered on the GHK-Cu product page