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"That part of immunity doesn't work very well when people have nutritional deficiencies," Hancock said

Peptides are short chains of amino acids that influence appetite, metabolism, and energy regulation

For many people, especially those without underlying absorption issues, B12 tablets provide a simple and effective way to meet their nutritional needs

These may include but are not limited to: Pain or swelling at the injection site Allergic reactions (extremely rare) If you experience any concerning side effects, contact your healthcare provider immediately

Vegans and vegetarians may not get enough B12 from their diet