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Doctors Best

Explore the range of Doctor’s Best supplements including magnesium, MSM, CoQ10, and more, available here at The Vitamin Shoppe.

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Vitamin C - Vegan - 1,000 MG (120 Vegetarian Capsules)
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$31.99
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Fully Active B Complex with Quatrefolic - Supports Energy Production (60 Capsules)
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$25.99
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Fully Active Folate 400 - Vegan - 400 MCG (90 Vegetarian Capsules)
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$14.99
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Vitamin E Tocotrienols with TocoGaia Ultra - 50 MG (60 Softgels)
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$29.99
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Natural Vitamin K2 MK-7 - Vegan - 45 MCG (60 Vegetarian Capsules)
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What is Doctor’s Best?

For over three decades, the Doctor’s Best brand has taken a science-based approach to making nutritional dietary supplements to promote overall well-being and healthier living.

What are the different types of Doctor’s Best supplements?

The product line from this brand includes a range of supplements, including the following popular varieties:

Doctor’s Best Magnesium

Important for many chemical reactions throughout the body, magnesium is an essential mineral. Doctor’s Best high-absorption magnesium supplement comes in convenient tablets and flavored powder so you can choose the format you prefer.

Doctor’s Best CoQ10

Coenzyme Q10 plays a role in cellular energy production and helps protect cells against free radical damage. Find this supplement from Doctor’s Best in capsules, softgels, and gummies in a variety of strengths and quantities.

Doctor’s Best MSM

Methyl-sulfonyl-methane, also known as MSM, is an important nutrient for joint health and flexibility as well as immune support. Doctor’s Best makes Glucosamine Chondroitin MSM formulas for joint support as well as a powdered MSM supplement that easily mixes into drinks.

More Supplements from Doctor’s Best

Additional products from this line include curcumin, serrapeptase, vitamins, amino acids, ubiquinol, and more supplements for various health concerns.

Where to buy Doctor’s Best

We carry a range of Doctor’s Best brand products at The Vitamin Shoppe. Shop online and get free in-store pickup and even free shipping on qualifying orders.

Find Letter Vitamins at The Vitamin Shoppe Store Near You

There are over 600 The Vitamin Shoppe® stores across the US, so it's very likely you can pop in and find Letter Vitamins locally. Check out our store locator to find a shoppe near you. Don’t forget about saving 10% on every subscription with Auto Delivery to help you stay on the path and never miss a thing, plus: Free Shipping!* You define what better looks (and feels) like—Count on us to help you get there.


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  • FREE for Orders over $35

    Orders under $35, domestic shipping is only $6.99. Find more at our Shipping Policy page.

    • Return Policy for Items Purchased Online

    Shop with confidence with our Easy Returns Policy. Customers may return any opened or unopened merchandise purchased from any Vitamin Shoppe channel to any Vitamin Shoppe store within 30 days. Find more at our full Returns Policy page.

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