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B12 injections are best for people who are low in B12, like vegetarians, vegans, or those who cant absorb B12 well from food
Lebers disease
Its also important to check how well the treatment is working with regular tests
Rx B12 is recommended as an oral supplement to increase B12 levels
Additionally, 15 of the included studies focused on B12 supplementation, with a total of 5,191 participants (mean: 346 per study)
Once everythings verified (and the letter approved, if required), Flex handles the HSA/FSA payment for the eligible amount, and you can cover any remaining balance with your secondary payment method to complete your purchase
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