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Vitamins, explained simply.
Vitamins are nutrients the body needs in small amounts but generally cannot make in sufficient quantities by itself.
Vitamins help the body complete essential work, including releasing energy from food, making blood cells, maintaining nerves, and supporting normal growth. Each vitamin has its own role, sources, and deficiency risks.
A vitamin is still a molecule, but “vitamin” is the more useful category for a reader. Vitamin B12, also called cobalamin, will belong in this section rather than under Peptides or Hormones.
Categories can overlap. Each individual entry explains what the subject is, what evidence applies, and what remains uncertain.
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Understand the category, then evaluate the individual subject.
Being a peptide, hormone, vitamin, or protein does not prove that something is effective, safe, approved, or suitable for a person.
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