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Free U.S. shipping on every order · Free 30-day returns · Real help by email





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.
Bronson Calcium 1200 mg Sustained Release + Vitamin D3 1000 IU is a 90-tablet calcium supplement designed to provide calcium gradually, with magnesium and vitamin D3 in the formula.
This supplement is made for people who want a tablet-based source of calcium with vitamin D3 and magnesium. Its sustained-release design is intended to provide a steady balance of calcium throughout the day, rather than delivering it all at once. The 90-tablet bottle gives you a defined quantity of the formula.
The formula slowly releases calcium over time to provide a steady balance of calcium throughout the day. Each serving supplies 1200 mg of calcium, alongside vitamin D3 and magnesium. The product is intended to supplement calcium intake; it does not make a disease-treatment claim.
Bronson Calcium is laboratory tested and manufactured by trained professionals at the company’s facility in Hauppauge, New York. Bronson’s facility is cGMP-registered and follows current regulations; its manufacturing process is designed to verify purity, potency, integrity, quality, and safety.
The formula is GMO-free, gluten-free, and soy-free. These attributes can help shoppers compare supplements according to ingredient and manufacturing preferences. Bronson says each product made at its facility goes through a rigorous quality process.
Bronson’s vitamin history began in 1960, when the company’s founders were pharmacists who had seen the benefits of vitamin and mineral supplementation in patient care. Bronson vitamins have been mentioned by medical professionals since the company’s founding.
Bronson Calcium is suited to adults looking for a sustained-release calcium supplement that also contains vitamin D3 and magnesium, with a 90-tablet supply and laboratory-tested, GMO-free, gluten-free, and soy-free formula. It is a tablet supplement designed to release calcium gradually over time.
Vitamin D3 (as Cholecalciferol), Calcium (as 90% Calcium Carbonate & 10% Calcium Citrate), Magnesium (as Magnesium Oxide). Other Ingredients: Hydroxypropyl methylcellulose, stearic acid, magnesium stearate, silicon dioxide, microcrystalline cellulose, polyethylene glycol.
Q: What does one serving of Bronson Calcium provide?
A: One serving of Bronson Calcium Sustained Release provides 1200 mg of calcium and 1000 IU of vitamin D3, with magnesium also included in the formula.
Q: How does Bronson Calcium Sustained Release work?
A: Bronson Calcium Sustained Release tablets slowly release calcium over time and are designed to provide a steady balance of calcium throughout the day.
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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