3)Strengthens the Immune System - Adequate intake of nutrients such as protein, vitamins A, C, D, E, zinc, selenium, and iron helps support normal immune function and the body's ability to respond to infections
Pathol Oncol Res 2009;15:81-88 Women's Health and Education Center (WHEC)
for example, isoniazid, cycloserine, penicillamine, and hydralazine each form complexes with B or otherwise interfere with B metabolism, potentially leading to deficiency and peripheral neuropathy
Reduced stomach acid production (achlorhydria or hypochlorhydria) impairs the release of B12 from food proteins, though absorption of synthetic B12 from supplements or fortified foods remains intact