What is E 400? Uses, warnings & side effects

Updated May 14, 2025  •  Published Sep 22, 2021

E 400 overview

BRAND NAMES:

  • Alpha-E, Aqua Gem-E, Aquasol E, E-600, E-Gems, E-Gems Elite, E-Gems Plus, Gamma E-Gems, Gamma E Plus, Key-E, Key-E-Kaps, SoluVita E, Veg E-Gems, PharmAssure Vitamin E

Generic Names:

  • Vitamin E

Uses:

  • Treats patients who do not have enough vitamin E in the body and may be used for other medical conditions.

Therapeutic Classes:

  • Nutritive Agent

Forms:

  • Capsule, Tablet, Chewable Tablet, Liquid

How it’s taken:

  • By mouth

What is E 400 used for?

What form(s) does E 400 come in?

  • Capsule

  • Tablet

  • Chewable Tablet

  • Liquid

What are common E 400 dosages?

  • Bottle 100 Capsules

How to take E 400

  • Your doctor will tell you how much and when to take your medicine. You may take it with food.

  • Use the dropper that comes with the oral liquid to measure your dose. Mix the medicine with foods such as cereal and fruit juice, or use the dropper to drop the medicine in your mouth.

  • Do not crush or chew the capsule or tablet. Swallow this medicine whole with a full glass of water.

  • Chew the chewable tablet and swallow with a full glass of water.

What to do if you miss a dose of E 400

  • Try not to miss any doses; however, because this is a dietary supplement, do not worry if you miss one or two doses.

  • Keep all medicine away from children.

E 400 contraindications - Who shouldn't take E 400?

  • You should not use this medicine if you have had an allergic reaction to vitamin E.

E 400 warnings

  • Check with your doctor before taking vitamin E if you are pregnant, breastfeeding, or have other medical problems.

  • You should not use in greater amounts or more often than ordered by your doctor. Too much of this vitamin can be harmful.

E 400 interactions & what to avoid when taking E 400

  • Make sure your doctor knows if you are taking a blood thinner such as Coumadin®.

  • You should not use in greater amounts or more often than ordered by your doctor. Too much of this vitamin can be harmful.

E 400 side effects - How does E 400 make you feel?

Serious Side Effects

  • Dizziness, headache

  • Nausea, diarrhea

  • Unusual bleeding, bruising, or weakness

Less Serious Side Effects

  • Dizziness, headache

  • Nausea, diarrhea

  • Unusual bleeding, bruising, or weakness

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