b12 injection guidelines do you have to be certified to give injections Vitamin B12 Dosage for Adults Vitamin B12 Injections: 8 Dosage

Then B12 shots can be helpful monthly as maintenance

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Deficiency In healthy adults, overt vitamin B 12 deficiency is uncommon, mainly because total body stores can exceed 2,500 g, daily turnover is slow, and dietary intake of only 2.4 g/day is sufficient to maintain adequate vitamin B 12 status (see The RDA) (4)

Potential Supportive Benefits May Include: This product does not require refrigeration / cold pack