Vitamin A boosts my immunity, fights leukemia for years, and I give to my dog.

2025-07-22 Vitamin Reviews Categroy：Vitamin A Views：40

For years, Vitamin A has fortified my immune system against leukemia. I consistently take it and give to my dog for added protection, improving our immunization resilience.

This is a review of product:

Carlson - Vitamin A, 10000 IU (3000 mcg RAE), Vision Health, 250 Softgels

From Amazon.com

My Vitamin A Immune Shield for Leukemia

I take Vitamin A for immune and also give to my dog. I have been used it for many years. I have Leukemia and help me with immunization. Thank you.

Vitamin Basics & Tips

What is Vitamin A?

Vitamin A is a fat-soluble nutrient essential for vision, immune function, and cellular growth. It exists as retinol (animal sources) and beta-carotene (plant sources), converted by the body into active compounds that regulate immunity and gene expression.

Vitamin A and Immune Support

Vitamin A maintains mucosal barriers (eyes, lungs, gut) that block pathogens. It activates T-cells and B-cells, enhancing antibody production. Studies show deficiency increases infection susceptibility, while adequate levels improve vaccine response and white blood cell efficiency.

Vitamin A and Leukemia

While not a leukemia treatment, vitamin A supports immune resilience during cancer. Retinoids (vitamin A derivatives) regulate cell differentiation and apoptosis. Research indicates vitamin A deficiency worsens outcomes in hematologic cancers by impairing infection defense, making supplementation crucial for immune maintenance.

Vitamin A for Dogs

Dogs require vitamin A for vision, reproduction, and immunity. Safe sources include liver, fish oils, and vet-approved supplements. Typical dosage is 3,333-5,000 IU/kg of food daily. Excess causes bone/joint pain; always consult a veterinarian before supplementing pets.

Dietary Sources and Daily Needs

Rich sources: beef liver (6,500 mcg/serving), sweet potatoes (1,400 mcg), spinach (570 mcg). Adult RDA is 700-900 mcg RAE (Retinol Activity Equivalents). Deficiency causes night blindness and frequent infections; toxicity (over 3,000 mcg/day) triggers nausea and liver damage.

Common Questions

Can vitamin A prevent leukemia? No, but it strengthens immune defenses during treatment.
Is animal or plant-based vitamin A better? Animal sources (retinol) are readily absorbed; plant carotenoids (like beta-carotene) convert slowly and pose lower toxicity risks.
Can I give human supplements to dogs? Only with veterinary guidance – human formulas may contain unsafe additives for pets.
How long to correct deficiency? 1-4 months with consistent intake, monitored via blood tests.

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