b12 subcutaneous vs intramuscular injection What happens if you inject
Description
5-Amino-1MQ is produced under controlled manufacturing conditions designed to promote consistency across production lots and reduce variability between batches

When are results noticeable

If you have a vitamin B12 deficiency, a doctor may prescribe B12 injections every other day for 2 weeks until your symptoms improve

Ive tried a few items and like them all

Serrano-Rios M, et al

But, how well it works depends on how well the body absorbs it