Since your body stores B12 in the liver for extended periods, deficiency symptoms may only appear years after inadequate intake. The Recommended Dietary Allowance (RDA) for vitamin B12 varies by ...
A 4-ounce raw serving contains 67 micrograms (mcg) of B12, nearly 3,000% of the recommended dietary allowance (RDA) for adults. Beef liver is also an excellent source of vitamin A, other B ...
The regulations also stipulate that the level of Vitamin B12 in products must not exceed one Recommended Dietary Allowance (RDA) except in specific categories such as Food for Special Medical Purposes ...