Foundational

Vitamin D3

Vitamin D status is widely studied in bone, immune, and metabolic research. Many people living indoors run low. Educational ranges are not a substitute for a blood test.

$14.99 per bottle

Educational serving: 1 capsule (~2000 IU) daily. Pack 90 servings ÷ 1 daily = 90 days of supply (Every 90 days). Not a prescription.

Educational range often discussed: 1000–2000 IU/day.

VitaLonga sells this catalog as recurring bottles. Educational daily servings size the refill interval (days of supply = pack servings ÷ daily servings). That interval is not a prescription. Dietary supplements are not intended to diagnose, treat, cure, or prevent disease (DSHEA). We are not a pharmacy.

Also on iHerb (affiliate, first order only — not fulfillment)

iHerb

Optional iHerb links are affiliate discovery only (typically first-order commission). They are not VitaLonga checkout or fulfillment. Recurring bottles are sold by VitaLonga through Stripe. We do not use ShipBob or Amazon checkout.