do b12 injections work better than pills Vitamin vs. Supplements: Which is Right for You? B12 Injections vs Oral Supplements:

The subcutaneous route is used at much smaller doses than oral because a 100 mg injection would require two 50 mg vials and about 6 mL of liquid when each vial is mixed with 3.0 mL BAC water, which is too much for one subcutaneous site

(The National Institutes of Health) Aging can make it more difficult for the body to break down and absorb B12

(NOTE: As with any supplement I recommend, I would start at the lower end of the dosing range and gradually work your way up) And since the peptide is oil-soluble, I want to emphasize the importance of taking 5-Amino 1MQ with food for maximum absorption

Q2: Is 5-Amino-1MQ a peptide