*Free Vitamin C offer valid until 2:59 a.m. ET. October 28, 2021. To redeem this offer, please add products to your cart. **40% off offer valid until 2:59 a.m. ET 11/15/2021. Sale discount of 40% off is reflected on applicable product pages. Additional 10% off today's order ends on 11/8/2021 at 2:59 am ET - Use Promo Code HDSAVE10 in the shopping cart. Offer includes, but is not limited to and where applicable, quantity discount and sale discount. To redeem this offer, please add any qualifying item to cart. Sale discount is not applicable to products and supplements already discounted from MSRP. Must purchase 3+ on REFILL & SAVE to lock in 40% off on future shipments. Quantities of 1-2 will have the standard 10% REFILL & SAVE discount. Future REFILL & SAVE order pricing applies to both sale and non-sale items. Not valid with previous orders. Product prices and availability are subject to change without notice. Terms and conditions subject to change. Internet distribution or resale strictly prohibited. We reserve the right, at our sole discretion, to refuse or cancel any order for any reason.