While theres no definite cutoff for when B12 starts to become unsafe, because people often ask, well somewhat arbitrarily say not to take more than 1,000 g per day over the long-term without guidance from a physician
If you're in a risk group reduced food intake on GLP-1s, plant-based diet, long-term metformin or PPI use, over 50 and fatigue is dragging you down, checking your B12 is one of the highest-ROI moves you can make
The most common symptoms, which are mild and temporary, include abdominal pain, loose stools, and increased flatulence (mostly associated with oral supplementation)
Beneficial effect of pentadecapeptide BPC 157 on denervated muscle in rats
Stack protocol: BPC-157: 250 to 500 mcg subcutaneous, once or twice a day Inject near the injury when you can reach it TB-500: 2 to 2.5 mg subcutaneous, twice a week (loading phase) Inject away from the injury, lower abdomen or outer thigh works fine 2 mg once a week (maintenance phase) Both run at the same time through the loading phase