What is beta-carotene?

Beta-carotene is a plant-derived carotenoid pigment that acts as a provitamin A, meaning the body can convert it into vitamin A as needed.

What are the main benefits of beta-carotene?

It supports vision and eye health, contributes to immune function through vitamin A production, and provides antioxidant activity. It may also offer modest support for skin health and UV-related protection.

What foods are high in beta-carotene?

Common sources include carrots, sweet potatoes, pumpkin, spinach, kale, and other orange or dark leafy green vegetables, as well as some fruits like mango and apricot.

What is a typical beta-carotene supplement dose?

Supplement amounts vary, but many products provide a few milligrams up to a few dozen milligrams per day. A commonly referenced range is about 3–30 mg daily, depending on diet and individual needs.

Is beta-carotene safe for everyone?

Beta-carotene from food is generally considered safe for most people. High-dose beta-carotene supplements are not recommended for smokers because they have been linked to increased lung cancer risk in this group.

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Kanıta dayalı bilgiler

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Beta-Carotene

Orta düzeyde araştırma durumu·7/10

Daha yüksek puan, daha iyi bir çalışma durumuna işaret eder, ancak mutlaka etkinlik anlamına gelmez.

Beta-carotene is a plant-derived antioxidant and vitamin A precursor essential for vision, immune, and skin health, but high-dose supplements increase cancer risk in smokers.

Eye Health Essential Nutrient Antioxidant Immune Booster Skin Health

Doz aralığı

3–30 mg

Take once daily with a fat-containing meal.

Gelir

Take as part of a meal containing dietary fat to maximize absorption, preferably from food sources (fruits and vegetables); supplement only under medical guidance for specific deficiencies.

Yağda çözünür: yağ ile birlikte alın.

En iyi zaman

Best taken with meals containing fat for optimal absorption; not advised for supplementation in smokers due to cancer risk.

Açıklama

Beta-carotene is a carotenoid pigment found in colorful fruits and vegetables. It serves as a major dietary source of provitamin A, supporting vision, immunity, and overall antioxidant protection. While generally safe from food, supplementation is not universally recommended due to risks in certain populations.

Avantajlar

Kanıt derecesi ile ana etkiler

Moderate

Kanıtla ilgili not

Benefits are best supported for prevention of vitamin A deficiency and general antioxidant protection; supplement safety concerns for specific groups (smokers, asbestos exposure) are well established.

Supports eye health and vision

Moderate

Beta-carotene is a provitamin A carotenoid that supports retinal function and may reduce the risk of age-related macular degeneration when consumed as part of a carotenoid-rich diet.

Özellikle ilgili olduğu kişiler: general · older adults

ods2019 · NIH Office of Dietary Supplements: Vitamin A Fact Sheet linuspauling2023 · Linus Pauling Institute: Micronutrient Information Center - Beta-Carotene examine2024 · Examine.com: Beta-Carotene

Antioxidant protection

Moderate

Acts as an antioxidant, neutralizing reactive oxygen species and contributing to cellular protection against oxidative stress when obtained from food sources.

Özellikle ilgili olduğu kişiler: general

examine2024 · Examine.com: Beta-Carotene linuspauling2023 · Linus Pauling Institute: Micronutrient Information Center - Beta-Carotene pubmed2013 · Beta-carotene, cancer and vitamin A supplementation: a review.

Supports immune function

Moderate

By converting to vitamin A, beta-carotene contributes to healthy mucous membranes and immune responses, lowering the risk of deficiency-related infections.

Özellikle ilgili olduğu kişiler: general

ods2019 · NIH Office of Dietary Supplements: Vitamin A Fact Sheet msdmanual2024 · MSD Manual: Carotenoids

Supports skin health and photoprotection

Limited

Beta-carotene may offer modest protection against UV-induced skin damage and supports skin health, but is not a replacement for sunscreen.

Özellikle ilgili olduğu kişiler: general

examine2024 · Examine.com: Beta-Carotene linuspauling2023 · Linus Pauling Institute: Micronutrient Information Center - Beta-Carotene

Güvenlik ve Uyarılar

Önemli güvenlik bilgileri ve bilinen riskler

Sadece eğitim amaçlıdır • tıbbi tavsiye değildir

Beta-carotene is generally safe from food sources, but high-dose supplements increase cancer risk in smokers and high-risk groups.

Uyarılar

Supplementation is not advised for smokers or those exposed to asbestos due to increased risk of lung and other cancers.
Excessive intake from supplements can cause carotenemia (yellowing of skin), reversible and harmless, but not a toxicity marker.
High-dose supplements are not recommended in pregnancy without clinician guidance.
Avoid beta-carotene supplementation if you smoke, have smoked, or have asbestos exposure due to increased cancer risk.
Use only with clinician supervision if pregnant or breastfeeding, as safety at high doses is not established.
Monitor liver function when taking high-dose supplements, especially if you have liver disease or use hepatotoxic medications.

İlaçlarla bilinen etkileşimler

Cholestyramine
Orlistat

Kontrendikasyonlar / özel dikkat gerektiren gruplar

Current or former smokers
Asbestos-exposed individuals
Liver disease or impaired fat absorption

etkileşimler

Etkin madde ↔ takviye / ilaç / gıda arasındaki önemli etkileşimler

Beta-carotene supplements can interact with certain medications and other antioxidants; most relevant is reduced safety in smokers and those with asbestos exposure.