Complete guides to essential vitamins — fat-soluble and water-soluble — with dosages, timing, forms, and evidence-based recommendations.
Vitamins are essential organic compounds your body needs in small amounts for proper function. They’re divided into fat-soluble (A, D, E, K — stored in body fat, taken with meals containing fat) and water-soluble (B vitamins, C — not stored, need regular intake).
Most people are deficient in at least one vitamin. Vitamin D deficiency alone affects an estimated 42% of adults. Below are our complete guides to every vitamin supplement.
Essential micronutrient support for healthy pregnancy and fetal development
The retinoid master regulator: optimize vision, immune function, and cellular differentiation at the genetic level
The energy metabolism vitamin for ATP production and neurological function
The methylation and energy cofactor for neurological function, DNA synthesis, and red blood cells
The cofactor for energy production and antioxidant defense via FAD/FADH2
The NAD+ optimizer: unlock cellular energy production, longevity signaling, and metabolic resilience through the master …
The acetyl-CoA precursor for energy, hormones, and cellular acetylation
The amino acid metabolism cofactor for neurotransmitters, hormones, and immune function
The one-carbon metabolism cofactor for DNA synthesis, methylation, and neurological health