Get 10% off with WELCOME10
Sign up for our emails and get 10% off your order with code WELCOME10 (one use per customer). We send marketing emails only to people who sign up, and every email includes a one-click unsubscribe link.
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.
Quest Stacks Protein Bars are layered, gluten-free protein snacks for a convenient protein boost, with 20g of protein and 1g of sugar per serving.
These bars are made for moments when you want a portable snack with protein, whether you are heading out in the morning, taking a break at your desk, or refueling after a workout. Individually wrapped portions make it easy to keep one in a gym bag, desk drawer, or pantry.
Quest Stacks Protein Bars bring together crispy, crunchy, and chewy layers with soft dough, fudgy chocolate and vanilla ice cream flavors, finished with a chocolatey coating and drizzle. The layered combination is designed to offer a dessert-inspired taste in a protein bar.
Each Quest Stacks Protein Bars carton contains 12 individually wrapped bars, each weighing 2.36 oz (67 g). The single-bar wrappers make portions easy to take along or keep on hand at home.
Each Quest Stacks Protein Bar serving has 0g of added sugars. Net carbs are calculated as total carbohydrates minus fiber, sugar alcohols, and allulose.
Quest Stacks Protein Bars suit people looking for a gluten-free, high-fiber snack with protein in a portable, individually wrapped format. They are designed for snack breaks and on-the-go occasions, rather than as a low-calorie food. Each carton provides 12 Brownie à la Mode bars with 20g of protein per serving.
PROTEIN BLEND (MILK PROTEIN ISOLATE, WHEY PROTEIN ISOLATE), POLYDEXTROSE (PREBIOTIC FIBER), SOLUBLE CORN FIBER, PALM KERNEL OIL AND PALM OIL, WATER, ERYTHRITOL, GLYCERIN, ALMONDS, ALLULOSE, COCOA PROCESSED WITH ALKALI, SODIUM CASEINATE. CONTAINS LESS THAN 2% OF THE FOLLOWING: NATURAL FLAVORS, SUNFLOWER OIL, BUTTER (CREAM), LECITHIN (SUNFLOWER AND/OR SOY LECITHIN), SALT, GUM ACACIA, CARRAGEENAN, SUCRALOSE.
Q: How many bars come in a Quest Stacks Protein Bars carton?
A: A Quest Stacks Protein Bars carton contains 12 individually wrapped bars, each weighing 2.36 oz (67 g).
Q: How are net carbs calculated for Quest Stacks Protein Bars?
A: For Quest Stacks Protein Bars, net carbs equal total carbohydrates minus fiber, sugar alcohols, and allulose.
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.
Sign up for our emails and get 10% off your order with code WELCOME10 (one use per customer). We send marketing emails only to people who sign up, and every email includes a one-click unsubscribe link.
Thanks for subscribing!
This email has been registered!