b12 pills or injections at Olympia Vitamin B12 Injections vs. Supplements:
Description
A B12 deficiency injection delivers vitamin B12 directly into the muscle so that the body can absorb it efficiently

This is educational information, not medical advice

Several Lactobacillus species require nicotinamide or nicotinic acid for growth 94

Some patients must continue to take supplements or receive injections for life depending on the reason for the deficiency

Instructions on how to use were super clear and these shots give me so much energy