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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.
21st Century B-100 Complex is a prolonged-release B-vitamin supplement designed to support energy metabolism, nervous system function, and body tissues, in a bottle of 60 tablets.
Busy schedules and demanding stretches can make a straightforward daily nutrient routine appealing. This formula brings several essential B vitamins together in one tablet, including nutrients involved in energy metabolism and the maintenance of the nervous system and body tissues. Its gradual-release format is designed to release nutrients over time rather than all at once.
21st Century B-100 Complex is formulated to support energy metabolism, a healthy nervous system, and body tissues. B vitamins are essential nutrients that work in interrelated ways, including in the process of converting food into energy. The formula brings several of these vitamins together as a B-complex supplement.
21st Century B-100 Complex gradually releases its nutrients into the body over an extended period. This release approach is intended to provide B-vitamin support over time, rather than as a single burst. The formula is made for adults seeking B-complex support as part of a routine that fits a busy or on-the-go lifestyle.
21st Century B-100 Complex is non-GMO and gluten-free, with no added sugar, yeast, preservatives, artificial flavors, or colors. The tablets are made in the USA from domestic and globally sourced ingredients at an FDA-registered facility. 21st Century has over 30 years of vitamin expertise, and the brand is trusted for 34+ years. Its sourcing, testing, and production standards are intended to meet purity benchmarks.
This B-complex may suit adults who want several B vitamins in one tablet and a gradual-release format to support energy metabolism, nervous system function, and body tissues. The formula is intended for nutritional support and is not intended to diagnose, treat, cure, or prevent any disease. Statements about this product have not been evaluated by the Food and Drug Administration. It is a 60-tablet B-vitamin supplement made with a prolonged-release formula.
Thiamin (Vitamin B-1) Amount Per Serving : 100 mg % DV†:6667%,Riboflavin (Vitamin B-2) Amount Per Serving : 100 mg % DV†:5882%,Niacin (as Niacinamide) Amount Per Serving : 100 mg % DV†:500%,Vitamin B-6 (as Pyridoxine Hydrochloride) Amount Per Serving : 100 mg % DV†:5000%,Folic Acid Amount Per Serving : 400 mcg % DV†:100%,Vitamin B-12 (as Cyanocobalamin) Amount Per Serving : 100 mcg % DV†:1667%,Biotin Amount Per Serving : 100 mcg % DV†:33%,Pantothenic Acid (as d-Calcium Pantothenate) Amount Per Serving : 100 mg % DV†:1000%,Calcium (as Calcium Carbonate) Amount Per Serving : 124 mg % DV†:12%, Other Ingredients Hydroxypropyl methylcellulose, stearic acid, cellulose, silicon dioxide, hydroxypropyl cellulose, ethylcellulose, pharmaceutical glaze, magnesium stearate, PEG. No sugar, salt, yeast, preservatives, artificial flavors or colors.
Q: What is 21st Century B-100 Complex designed to support?
A: 21st Century B-100 Complex is formulated to support energy metabolism, a healthy nervous system, and body tissues with a blend of essential B vitamins.
Q: Which vitamins are in 21st Century B-100 Complex?
A: 21st Century B-100 Complex includes thiamin, riboflavin, niacin, vitamin B-6, folate, vitamin B-12, and biotin.
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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