50mg 5 amino 1mq Supplement Capsules 500MCG 60ct (3RD Party Tested) : Health & Household 5-Amino-1MQ 50mg (60 Capsules) -
Description
Folic acid supplements can mask a vitamin B12 deficiency and potentially delay its diagnosis or treatment, but they dont directly interfere with B12 injections

There are several B12 injection benefits

Assessing vitamin B12 absorption and bioavailability: Read the label

Rarely, hypersensitivity reactions can occur, for instance, urticaria (hives) or other allergic-type reactions have been reported in isolated cases