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Recommended Products for You
- Vitamins & Supplements
- Letter Vitamins
Vitamins B, C, D, E and K. Fill your Nutritional Gaps


Fill in your Nutritional Gaps for Whole-Body Health
Even if you try to eat a balanced diet, it’s difficult to get the optimal doses of all the vitamins your body needs. Life Extension® offers a wide range of supplements that help you with all the healthy essentials, including specialized products that deliver vitamins B, C, D, E and K.
4 Reasons Why Everyone Should Take Our Vitamin Supplements
- Provides support for healthy bones
- Promotes healthy immune system function
- Helps maintain already-healthy blood pressure
- Encourages healthy organ function
Our Recommendation
Vitamin D3
The sunshine vitamin is key to strong bones & immune health
125 mcg (5000 IU), 60 softgels
$7.50
Compare Formulations
We offer the letter vitamins in various forms and dosages, as well as comprehensive vitamin and nutrient formulas. Find the form that fits you.

Vitamin B
Maintaining ample vitamin B levels supports optimal organ function, healthy metabolism, cognitive health and other essential metabolic processes. Our Best Seller BioActive Complete B-Complex helps you get the B vitamins your body needs on a daily basis.
See Vitamin B Products
Vitamin C
Vitamin C is known for maintaining a healthy immune system, but it has whole-body health benefits as well. We pair our vitamin C with other nutrients, such as quercetin and a patented form of beta-glucan, for additional support.
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Vitamin D
While our bodies synthesize vitamin D when exposed to sunlight, many of us use sunscreen or avoid direct sun exposure, and for good reason. But this can impact vitamin D production. Our award-winning Vitamin D3 with Sea-Iodine™ helps ensure you get enough vitamin D, and also iodine, which is essential for thyroid health.
See Vitamin D Products
Vitamin E
Vitamin E is a group of eight different antioxidant compounds found in plants. These compounds are some of the most researched and most important nutrients to include in your daily regimen. Vitamin E is divided into two categories, tocopherols and tocotrienols, each with their own set of health benefits.
See Vitamin E Products
Vitamin K
Vitamin K supports arterial and bone health. Our Best in Class Super K Elite is the most comprehensive vitamin K formula we offer. It provides a variety of vitamin K forms at the clinically-studied dosages designed to give you the optimum health benefits.
See Vitamin K ProductsVitamin B
Healthy vitamin B levels support optimal organ function, healthy metabolism, cognitive health and other essential metabolic processes.
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Vitamin C
Support a healthy immune system and other whole-body health benefits with vitamin C and formulas with vitamin C plus complementary nutrients.
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Vitamin D
Vitamin D helps preserve youthful cognitive function, supports bone and immune system health, helps maintain already-healthy blood pressure and more. Our Vitamin D has been a 2-time winner of the ConsumerLab.com Survey of Supplement Users, delivering vitamin D3 (as cholecalciferol) in easy-to-swallow forms.
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Vitamin E
Vitamin E is important for whole-body health. We offer stand-alone tocopherol and tocotrienol formulas, a combination of both, and novel formulations that combine vitamin E with essential nutrients such as selenium.
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Vitamin K
Support your arterial and bone health with Vitamin K. Our formulas include several forms of K at the clinically-studied dosages designed to give you the optimum health benefits.
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Related Health Information
Essentials
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Essentials
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Answer a few questions to choose the right supplements
Why Life Extension?
100% Satisfaction Guarantee
Full one-year, no-hassle returns, money-back guarantee.
Highly Recommended
98% of our customers recommend us to family and friends. Life Extension is proud to be recognized as the #1 Catalog/Internet Brand 4 Time Winner.†
Complimentary, Personalized Guidance
Medical doctors, nutritionists & other health professionals are passionate about providing personalized solutions to help you achieve optimal health.
Efficacious Formulas
40 years of research dedicated to bringing you premium, scientifically-validated formulations.
Product Transparency
99% of our products are manufactured in the U.S, and a Certificate of Analysis is available for every product we produce.