Vitamin A Capsules are dietary supplements designed to provide essential vitamin A, which is crucial for various bodily functions, including vision, immune system support, and skin health. Each pack typically contains 30 capsules.
Key Features
- Active Ingredient: Each capsule usually contains 200,000 IU (International Units) of vitamin A, primarily in the form of retinol or retinyl palmitate.
- Packaging: Available in packs of 30 capsules.
Indications
Vitamin A is indicated for:
- Vitamin A Deficiency: To prevent and treat deficiencies that can lead to vision problems, particularly night blindness, and other health issues.
- Immune Support: Plays a vital role in maintaining a healthy immune system.
- Skin Health: Supports skin integrity and may aid in the treatment of certain skin conditions.
Mechanism of Action
Vitamin A is a fat-soluble vitamin that:
- Contributes to the maintenance of normal vision by supporting the function of the retina.
- Is involved in the growth and differentiation of cells, including those in the skin and mucous membranes.
- Acts as an antioxidant, helping to protect cells from oxidative stress.
Dosage and Administration
- Recommended Dosage: The typical dosage for adults may vary but is often around 1 capsule daily, or as directed by a healthcare professional.
- Administration Tips: It is best taken with food to enhance absorption since vitamin A is fat-soluble.
Side Effects
Common side effects may include:
- Nausea
- Vomiting
- Headache
- Dizziness
Serious side effects requiring immediate medical attention include:
- Symptoms of hypervitaminosis A (excessive vitamin A), such as severe headache, blurred vision, nausea, dizziness, and skin changes.
Precautions
- Contraindications: Avoid high doses if you have liver disease or are pregnant unless prescribed by a healthcare provider. High doses can cause birth defects.
- Pregnancy and Breastfeeding: Pregnant women should not exceed 10,000 IU (3,000 mcg) of vitamin A per day unless advised by a healthcare provider due to risks associated with excessive intake.
- Drug Interactions: Inform your healthcare provider about any other medications or supplements you are taking to avoid potential interactions.