Studies show that these forms have If a healthcare professional has recommended that you take a vitamin B12 supplement, there are several factors to consider when shopping: Supplement form: Vitamin B12 supplements are available in several forms, including capsules, sprays, gummies, liquids, lozenges, and chewable tablets
DNA damage: Accumulating mutations that impair gene expression
A: Your provider will recommend a schedule based on your goalssome people come weekly, others monthly
B12 itself doesnt mask other deficiencies, but its possible to have other vitamin deficiencies (like folate or vitamin D) at the same time
These may include: Nausea and stomach upset Diarrhea Constipation Injection site redness or swelling Itching Headache Dizziness Blood clots Swelling In rare cases, some people may experience an allergic reaction to vitamin B12, which can cause symptoms such as hives, difficulty breathing, and swelling of the face, lips, tongue, or throat