What is the recommended dosage for Vitamin E?

General: 15 mg/day (22.4 IU); Immune Support Elderly: 200 IU/day

What are the side effects of Vitamin E?

Potential side effects include: Increased bleeding risk at high doses (>400 IU/day), Nausea and gastrointestinal distress, Fatigue and muscle weakness at very high doses, Potential increased mortality risk at chronic high doses (meta-analysis finding, debated).

What is vitamin E and how does it relate to immune function?

Vitamin E is a fat-soluble antioxidant that protects immune cell membranes from oxidative damage. Clinical studies, particularly in older adults, have examined its potential to enhance T-cell function and improve vaccine responses.

What dosage of vitamin E has been studied for immune support?

Studies have used alpha-tocopherol at doses of 200–800 IU per day for immune outcomes in older adults. The SENIEUR protocol studies used 200 mg per day, which appeared to enhance delayed-type hypersensitivity responses. The Tolerable Upper Intake Level is 1,000 mg per day.

What are the potential side effects of vitamin E supplementation?

High-dose vitamin E may increase bleeding risk, particularly in combination with anticoagulant medications. Some large trials have raised concerns about cardiovascular risk at doses above 400 IU per day. Supplementation should be discussed with a healthcare provider.

Vitamin E
Vitamin E

vitamin

Também conhecido como: Alpha-Tocopherol, d-Alpha-Tocopherol, Mixed Tocopherols

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About

Vitamin E is a potent lipid-soluble antioxidant that protects immune cell membranes from oxidative damage. It enhances T-cell proliferation, lymphocyte function, and natural killer cell activity, particularly in older adults. Clinical trials in elderly populations show supplementation at 200 IU/day enhances DTH skin test response and antibody production.

How It Works

Potent lipid-soluble antioxidant that protects immune cell membranes from oxidative damage; enhances T-cell proliferation, lymphocyte function, and natural killer cell activity.

Evidence For Conditions

Condição	Nota	Estudos	Participantes
Immune Aging (Immunosenescence)	B	5	600	Ver →

Side Effects

Increased bleeding risk at high doses (>400 IU/day)
Nausea and gastrointestinal distress
Fatigue and muscle weakness at very high doses
Potential increased mortality risk at chronic high doses (meta-analysis finding, debated)

Drug & Supplement Interactions

Anticoagulants and antiplatelet drugs (increased bleeding risk)
Statins (may reduce statin effectiveness)
Chemotherapy agents (may interfere with oxidative mechanisms)
Vitamin K (high-dose vitamin E may antagonize vitamin K)

Informe sempre o seu profissional de saúde sobre todos os suplementos que você toma.Sempre informe seu profissional de saúde sobre todos os suplementos que você toma.

Related Ingredients

Vitamin D Vitamin B6 Vitamin C Vitamin A

Dados Rápidos

Dosagem: General: 15 mg/day (22.4 IU); Immune_Support_Elderly: 200 IU/day
Formas: capsule softgel liquid
Fontes Naturais: Sunflower seeds, Almonds, Hazelnuts, Wheat germ oil, Spinach
Limite Superior: 1,000 mg/day (1,500 IU natural, 1,100 IU synthetic)
Melhor Horário: With meals containing fat

Resumo das Evidências

Immune Aging (Immunosenescence) B

Aviso Legal da FDA: Estas declarações não foram avaliadas pela Food and Drug Administration. Os produtos e informações neste site não se destinam a diagnosticar, tratar, curar ou prevenir qualquer doença. As notas de evidência apresentadas são baseadas em nossa análise de pesquisas revisadas por pares publicadas e não constituem aconselhamento médico. Sempre consulte seu profissional de saúde antes de iniciar qualquer regime de suplementação.