How The Body Handles Excess B12 As mentioned above, vitamin B12 is a water-soluble vitamin
For a 10mg peptide vial, add 2mL for a 5mg/mL concentration (500mcg per 0.1mL), 5mL for a 2mg/mL concentration (200mcg per 0.1mL, most commonly recommended), or 10mL for a 1mg/mL concentration (100mcg per 0.1mL, optimized for long-term stability)
Without adequate intake of B12, vegans can easily develop deficiency over time, leading to symptoms such as fatigue, weakness, constipation, loss of appetite, weight loss, and nerve problems therefore the researchers recommend that vegans and vegetarians should add vitamin B12 to their diet by eating fermented foods, particular types of mushroom that contain the vitamin and B12-enriched vegetables
When people choose to eliminate these foods from their diet they eliminate the natural sources of vitamin B12
15 Pharmacologic Considerations of the Subcutaneous Route (PMC)Subcutaneous injection technique and site rotation to prevent lipohypertrophy