E-400

Suggested Use

Directions: Take one (1) or two (2) softgels daily with any meal for maximum daily results; or as directed by your healthcare provider. Do not exceed recommended dosage.

• 

  21st Century Softgels

  iHerb4.8(5400)

  $8.99
• 

  21st Century E-400 Softgels

  21st-century-vitamins4.7(5000)

  $17.99
• 

  21st Century Water Dispersible Softgels

  Inman Pharmacy4.7(9)

  $7.69
• 

  21st Century Natural Softgels

  iHerb4.7(5000)

  $11.99
• 

  21st Century 450mg Softgels

  21st-century-vitamins4.7(280)

  $10.99
• 

  21st Century E 400 I.U. (Dl-Alpha) Softgels 110 Count (Pack of 2)

  GoSupps.com4.8(5400)

  $44.99
• 

  21st Century Vitamin E 180 mg (400 IU) 110 Softgels

  GoSupps.com4.8(5400)

  $34.99
• 

  21st Century Magnesium Oxide 400 Mg Tablets

  iHerb4.8(266)

  $7.49

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

Showing representative supplement & health retailers — search above for stores in your area.

• West Coast Nutrition Roseville

  5.0 (489)

  Vitamin & supplements store

  1950 Douglas Blvd Suite A6, Roseville, CA 95661

  Directions(916) 772-6887

• The Vitamin Shoppe

  4.7 (74)

  Vitamin & supplements store

  1230 Roseville Pkwy, Roseville, CA 95678

  Directions(916) 771-5559

• GNC

  4.5 (31)

  Vitamin & supplements store

  1850 Douglas Blvd #400, Roseville, CA 95661

  Directions(916) 773-0218

• Safeway

  4.0 (2344)

  Grocery store

  5345 Elkhorn Blvd, Sacramento, CA 95842

  Directions(916) 331-2987

• Target

  4.1 (831)

  Department store

  10451 Fairway Dr, Roseville, CA 95678

  Directions(916) 780-1020

• Nekter Juice Bar

  4.6 (120)

  Juice shop

  900 E Bidwell St suite a-400, Folsom, CA 95630

  Directions(916) 790-8420

• Natomas Bottle Shop - Specialty Liquor, Beer & Wine

  4.9 (23)

  Liquor store

  4571 Gateway Park Blvd #4, Sacramento, CA 95834

  Directions(916) 461-0999

• HerbsPro

  4.3 (3489)

  Vitamin & supplements store

  31909 Hayman St, Hayward, CA 94544

  Directions(510) 324-2900

• Nutraceutical interventions may delay aging and the age-related diseases

  B Villeponteau, R Cockrell, J Feng - Experimental Gerontology, 2000 - Elsevier

  … We also discuss the conceptual basis and existing literature for several nutritional supplements … increased in the twenty-first century by optimizing diet and using nutritional supplements. …

  200049 citations

• Vitamin E (α-tocopherol): emerging clinical role and adverse risks of supplementation in adults

  AD Kaye, AS Thomassen, SA Mashaw, EM MacDonald… - Cureus, 2025 - cureus.com

  … It plays an essential role in maintaining cellular integrity and supporting immune function, making Vitamin E a widely popular and easily accessible dietary supplement for overall health …

  202535 citations

• Are vitamin E supplementation beneficial for female gynaecology health and diseases?

  NA Md Amin, SH Sheikh Abdul Kadir, AH Arshad… - Molecules, 2022 - mdpi.com

  … , its beneficial effects on female fertility, gynaecological health, and diseases are still poorly … gynaecological health and reproductive-related diseases, as well as its future perspective. …

  202264 citations

• Safety of vitamins and minerals: controversies and perspective

  MG Soni, TS Thurmond, ER Miller III… - Toxicological …, 2010 - academic.oup.com

  … for 10 years had no health benefits. In … supplements in improving bone strength and reducing fractures. These equivocal and conflicting findings on the effects of supplements on health …

  2010106 citations

• The effects of magnesium and vitamin E co-supplementation on hormonal status and biomarkers of inflammation and oxidative stress in women with polycystic …

  M Shokrpour, Z Asemi - Biological trace element research, 2018 - academia.edu

  … reminders to take the supplements. Patients were requested to have their regular physical activity and not to take any extra nutritional supplements during the 12-week trial. All patients …

  201866 citations

• Antioxidant vitamins and mineral supplementation, life span expansion and cancer incidence: a critical commentary

  P Dolara, E Bigagli, A Collins - European journal of nutrition, 2012 - Springer

  … Antioxidant supplements so far tested seem to offer no improvement over a well-balanced diet… The possible applications to public health of any discovery in this field seemed staggering. …

  201290 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-07-25. DSLD Label ID: 11209. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.