I found this actual vitamin A supplement essential for better vision, storing gradually in my tissues over time.
I rely on this pure vitamin A because it bypasses beta carotene conversion, helping my vision improve steadily as it accumulates in tissues, ideal for aging bodies.
This is a review of product:
EZ Melts Dissolvable Vitamin A 5,000 IU, Sugar-Free, 2-Month Supply
From Amazon.com
Most vitamin A supplements for vegans are really the purcursor to vitamin A a betacarotene which requires a self originated bodily enzyme to activate it.
If you have not that enzyme or due to older age are loosing it the actual vitamin A must be provided not beta carotene derived vitamin A.
So this is that hard to find but here it is.
Yes it helps vision and night vision but not immediately it takes a while to effect that change commonly.
We build up stores of it over time in our tissues.
Vitamin Basics & Tips
Understanding Vitamin A and Beta Carotene
Vitamin A is a fat-soluble vitamin crucial for vision, immune function, and skin health. It comes in two main forms: preformed vitamin A (retinol, found in animal products) and provitamin A carotenoids like beta carotene (from plant sources, which the body must convert to active vitamin A). Beta carotene requires an enzyme called beta-carotene 15,15'-monooxygenase for conversion. If this enzyme is deficient—common with aging or genetic factors—beta carotene supplements may not provide enough active vitamin A, leading to potential deficiencies. This makes direct vitamin A supplements vital for those unable to convert precursors efficiently.
Why Enzyme Activation Matters
Enzyme activation refers to the body's process of converting beta carotene into usable vitamin A using specific enzymes. As people age, enzyme production often declines, reducing conversion efficiency. This can result in symptoms like poor night vision, dry skin, or weakened immunity. For vegans, who rely solely on plant-based sources, this issue is compounded, making preformed vitamin A supplements a practical solution to ensure adequate intake without relying on conversion.
Storage and Benefits of Vitamin A
Vitamin A is stored in the liver and fatty tissues, building up over weeks or months. This storage allows for gradual release, supporting long-term health benefits such as improved night vision (via rhodopsin in the eyes), enhanced immune response, and skin repair. Unlike immediate-acting supplements, effects like better vision develop slowly as stores accumulate, emphasizing consistency in intake.
Common Questions About Vitamin A
How much vitamin A do I need? Adults require about 700-900 mcg RAE (Retinol Activity Equivalents) daily. Can vegans get enough from diet alone? Yes, through foods like carrots and sweet potatoes, but conversion issues may necessitate supplements. What are deficiency signs? Night blindness, frequent infections, or dry eyes. Is too much harmful? Yes, excess preformed vitamin A can cause toxicity, so stick to recommended doses. Always consult a healthcare provider for personalized advice.
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