Because methionine is converted to homocysteine and SAM, it is involved in many steps in fat metabolism
Nausea (most common, especially during first 1 to 2 weeks of a new dose) Diarrhea or, just as often, constipation Vomiting (less common but more likely at 9 to 12 mg) Reduced appetite, food noise quieting down (this is the goal, not a side effect) Skin sensitivity (dysesthesia): tingling, prickly feeling, or sunburn-like skin
The standard vial size discussed in the research community is 80 mg total, with 50 mg GHK-Cu and 10 mg each of KPV, BPC-157, and TB-500
The results have been consistently promising across multiple tissue types and organ systems, though large-scale human clinical trials remain limited
[2] What Causes Elevated Vitamin B12 in the Body