The Vitamins category covers laboratory tests that measure vitamin levels—B12, vitamin D, folate, and fat-soluble vitamins—explaining why tests are ordered, how samples are collected, and what abnormal results mean.
The Vitamin D blood test measures 25-hydroxyvitamin D levels to detect deficiency or excess. It helps monitor bone health, immunity, and Vitamin D supplementation. Learn normal ranges, causes, and symptoms of low and high Vitamin D levels.
Vitamin D Test – Purpose, Normal Range, Deficiency & High Level Symptoms Read More »
The Vitamin A Test helps evaluate how much Vitamin A (Retinol) is present in your blood. Both deficiency and excess can cause serious health problems — from vision loss to liver damage. Proper diet, doctor guidance, and balanced supplement use help maintain safe Vitamin A levels.
Vitamin A Test – Purpose, Deficiency, Toxicity, Normal Range, and Preparation Read More »
