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
Older Adults There is also evidence that the bodys ability to absorb Vitamin B12 decreases with age thus making older adults more vulnerable
I prefer to test Methylmalonic Acid with the Organic Acids Test (OAT) as it also tests for other B vitamins (and much more), especially Vitamin B2 which is an essential cofactor for B12
Oral vs Injectable: A Key Difference Many metabolic therapiesespecially peptidesrequire injections due to poor absorption when taken orally
Low B12 can cause tiredness, nerve problems, depression, and increased heart disease risk from high homocysteine
I got worse before I saw improvements