Vitamin and Nutrient Blood Test Results Explained

Nutritional Tests: What Your Diet Is Actually Doing

You eat well, take supplements, and still feel terrible. Or you eat terribly and feel fine. Either way, the only way to know what is actually happening inside your body is to measure it. Nutritional blood tests tell you whether your body has enough of the vitamins and minerals it needs to function properly.

Here is the thing: deficiencies are way more common than most people think, even in developed countries with access to plenty of food. Vitamin D deficiency alone affects an estimated 1 billion people worldwide. And you can eat a "perfect" diet and still be deficient if your gut is not absorbing nutrients properly.

Tests Included in Nutritional Panels

• Vitamin D (25-OH Vitamin D) - the main storage form, deficiency is linked to fatigue, bone loss, immune problems, and depression
• Vitamin B12 - essential for nerve function and red blood cell production, deficiency causes fatigue, numbness, and brain fog
• Folate (Vitamin B9) - critical for cell division, especially important during pregnancy to prevent neural tube defects
• Magnesium (Serum and RBC) - involved in over 300 enzyme reactions, deficiency causes muscle cramps, anxiety, and poor sleep
• Zinc - supports immune function, wound healing, and sense of taste and smell
• Vitamin B6 (Pyridoxine) - important for brain development and immune function
• Vitamin B1 (Thiamine) - essential for energy metabolism, deficiency is common in heavy drinkers
• Copper - works with iron to form red blood cells
• Selenium - important for thyroid function and antioxidant defense
• Omega-3 Index - measures EPA and DHA levels in your red blood cell membranes

"Normal" vs. Optimal

This is where lab reference ranges can mislead you. A vitamin D of 30 is technically "normal" on most lab reports, but many experts consider optimal to be 40-60. A B12 of 200 is within the reference range, but neurological symptoms can start below 400. The bottom of the reference range is set to prevent clinical disease. It does not mean you will feel good at that level.

MeBlood shows you both the lab reference range and the optimal range so you can see where you actually stand, not just whether you are technically deficient.

When to Get Nutritional Testing

Unexplained fatigue. Muscle cramps or weakness. Hair loss. Poor wound healing. Brain fog or mood changes. If you follow a restrictive diet (vegan, keto, elimination diet). If you have digestive issues that might impair absorption. Or if you take supplements and want to know if they are actually working.

Upload your nutritional panel and I will show you exactly where your levels fall.

Upload your nutritional results and find out what your body actually needs.