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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 B-Complex #12 is a 60-capsule dietary supplement formulated to provide eight water-soluble B vitamins and choline, with extra vitamin B12 to support healthy nerve cells and an optimally functioning nervous system.
For shoppers looking for a single formula that combines multiple B vitamins with choline, B-Complex #12 brings broad B-vitamin coverage together with extra B12. Its active, methylated forms of B12 and folate are included for people seeking these forms in a daily supplement formula.
THORNE B-Complex #12 is formulated to support healthy nerve cells and an optimally functioning nervous system. Its extra vitamin B12 is the component tied to this support, while the formula also includes methylated B12 and folate to support cellular repair processes.
Each capsule provides an optimized balance of B1, B2, B3, B5, B6, B12, folate, and biotin, along with choline. Vitamin B12 is provided as methylcobalamin, and folate is provided as 5-MTHF; these are the formula’s active, methylated forms.
THORNE B-Complex #12 is third-party tested and certified to verify that what is inside the package matches the product label. Thorne is trusted by more than 100 professional sports teams and was ranked the #1 most recommended clinical brand by consumers and health-care practitioners in a 2026 independent survey of U.S. supplement consumers and health-care practitioners.
This formula suits shoppers who want a capsule supplement combining eight water-soluble B vitamins, choline, and methylated forms of B12 and folate. It is a 60-capsule product centered on B-vitamin coverage and nervous system support.
One Capsule Contains: Thiamin (as Thiamin HCl) 40 mg, Riboflavin (25 mg as Riboflavin and 3.6 mg as Riboflavin 5'-Phosphate Sodium) 28.6 mg, Niacin (as Niacinamide) 80 mg, Vitamin B6 (20 mg as Pyridoxine HCl and 3.4 mg as Pyridoxal 5'-Phosphate) 23.4 mg, Folate (400 mcg as L-5-Methyltetrahydrofolate from L-5-Methyltetrahydrofolic Acid, Glucosamine Salt) 667 mcg DFE, Vitamin B12 (as Methylcobalamin) 600 mcg, Biotin 80 mcg, Pantothenic Acid (as Calcium Pantothenate) 45 mg, Choline (as Choline Citrate) 14 mg. Other Ingredients: Hypromellose (derived from cellulose) capsule, Microcrystalline Cellulose, Calcium Laurate, Silicon Dioxide.
Q: Which B vitamins are in THORNE B-Complex #12?
A: THORNE B-Complex #12 contains B1, B2, B3, B5, B6, B12, folate, and biotin, plus choline.
Q: What forms of B12 and folate does THORNE B-Complex #12 use?
A: THORNE B-Complex #12 provides vitamin B12 as methylcobalamin and folate as 5-MTHF, the formula’s active, methylated forms.
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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