While supplements help, injections offer faster, more complete absorption
Vitamin B12 (color of injection solution: red) - This injection contains only Vitamin B12, which is known as the "energy vitamin" because it is used in the metabolism of every cell in the body
the later step-down phases stretch a vial much further
| Your Weekly Dose | Best Vial Size | Why | |-----------------|---------------|-----| | 1-2mg (titration) | 10mg or 12mg | Less waste, used within 28 days | | 4mg (low therapeutic) | 24mg or 30mg | 6-7 weeks supply, best value | | 8mg (mid therapeutic) | 30mg or 50mg | 3-4 weeks supply at good value | | 12mg (maximum) | 50mg or 60mg | 4-5 weeks supply, lowest cost/mg | *Medical disclaimer: Retatrutide is investigational and not FDA approved
Yes, although allergic reactions to B12 injections are uncommon
The 9mg dose represents a strong option for researchers who want near-maximum results with a more tolerable side effect profile