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Orders are prepared in 1–3 business days and arrive 3–7 business days after they ship. Alaska, Hawaii, Puerto Rico, U.S. territories and APO/FPO/DPO addresses can take longer. You get a tracking number by email as soon as your order ships.
Free returns within 30 days of delivery: we email you a prepaid return label, no reason needed. Items must be unopened, with the manufacturer or tamper-evident seal intact, in their original packaging. Opened, used or partially consumed vitamins, minerals and supplements, items with broken or missing seals, and gift cards can't be returned. Damaged, defective, incorrect or expired items are always covered. Refunds go back to your original payment method within 10 business days of approval.
If you have a question about an item, its label or your order, email sales@naturalvitaminsonline.com with the product name or order number. We answer every message by email and reply within 1 business day (Monday to Friday, Eastern Time).
Talk to your doctor or pharmacist before starting a supplement, especially if you're pregnant or nursing, take medication, or have a medical condition.
†These statements have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent any disease.
Talk to your doctor or pharmacist before starting a supplement, especially if you're pregnant or nursing, take medication, or have a medical condition.
THORNE Vitamin C 500 mg is a capsule supplement formulated to support immune function and antioxidant activity, with citrus bioflavonoids from oranges and 90 capsules per bottle.
This formula brings together vitamin C and citrus bioflavonoids for people seeking a supplement that supports several connected aspects of wellness. Its stated uses include immune support, antioxidant activity, collagen production and the body's natural detox processes. The label-tested formula and capsule format make it a clear option for shoppers looking for vitamin C with an orange-derived bioflavonoid component.
THORNE Vitamin C is formulated to support immune function, antioxidant activity, collagen production and the body's natural ability to eliminate toxins. Vitamin C and citrus bioflavonoids are included for antioxidant support against free radicals. The formula also supports healthy tissue and cartilage formation.
The bottle contains 90 capsules of a vitamin C 500 mg formula with citrus bioflavonoids from oranges. The product combines these ingredients in capsule form for shoppers seeking vitamin C alongside orange-derived bioflavonoids.
THORNE Vitamin C is third-party tested and certified to verify that package contents match the label and that the product contains no unsafe levels of contaminants. Thorne is trusted by more than 100 professional sports teams and was the #1 most recommended clinical brand by consumers and health-care practitioners in a 2026 independent survey of US supplement consumers and health-care practitioners.
This formula suits adults looking for a capsule-based vitamin C supplement that pairs immune and antioxidant support with collagen and detox support. It is intended to support normal body functions, including the body's natural toxin-elimination processes, rather than to diagnose or treat a condition. Its 500 mg vitamin C formula includes orange-derived bioflavonoids and comes in a 90-capsule bottle.
One Capsule Contains: Vitamin C (as Ascorbic Acid) 500 mg, Citrus Bioflavonoids 75 mg. Other Ingredients: Cellulose Powder, Hypromellose (derived from cellulose) capsule, Calcium Laurate.
Q: What is THORNE Vitamin C 500 mg formulated to support?
A: THORNE Vitamin C is formulated to support immune function, antioxidant activity, collagen production, healthy tissue and cartilage, and the body's natural detox processes.
Q: What comes in a bottle of THORNE Vitamin C?
A: A bottle of THORNE Vitamin C contains 90 capsules of a 500 mg vitamin C formula with citrus bioflavonoids from oranges.
Free standard shipping on every order to U.S. addresses, with no minimum. Orders are prepared in 1–3 business days and arrive 3–7 business days after they ship. Alaska, Hawaii, Puerto Rico, U.S. territories and APO/FPO/DPO addresses can take longer. You get a tracking number by email as soon as your order ships. See shipping details.
Free returns within 30 days of delivery. Free returns within 30 days of delivery: we email you a prepaid return label, no reason needed. Items must be unopened, with the manufacturer or tamper-evident seal intact, in their original packaging. Opened, used or partially consumed vitamins, minerals and supplements, items with broken or missing seals, and gift cards can't be returned. Damaged, defective, incorrect or expired items are always covered. Refunds go back to your original payment method within 10 business days of approval. See returns & refunds.
Damaged, defective, incorrect or expired item? Email your order number, a photo and the lot/expiration details to sales@naturalvitaminsonline.com and we will arrange a replacement or refund; this is always covered. Please report visible shipping damage within 7 days of delivery.
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