These include: Older adults, as they absorb B12 less easily Vegetarians and vegans, because B12 is mostly in animal products People with stomach problems like celiac disease or Crohns disease Those who have had gastric bypass surgery Knowing these risk factors helps find who might need to check their B12 levels
However, please note that your specific dosage and frequency may vary based on individual factors such as your health condition, desired goals, and individual response to treatment
Day-to-day variation in strength performance
Syringe and Needle Selection: Gauge, Length, and Why It Matters For subcutaneous peptide injection, the standard setup is a U-100 insulin syringe with a 27 to 29 gauge needle and a half-inch (12.7mm) shaft
Bottom line : Unless youre truly deficient, a B12 injection probably wont give you lasting energy or help you lose weight