Vitamins & Minerals

Functional testing

Explore our at-home functional tests related to vitamins & minerals.

Amino Acids Test

The Amino Acids Analysis measures 45 markers, including essential and non-essential amino acids and intermediary metabolites. Amino acids build and repair tissues, cause chemical reactions, transport nutrients, hormone and neurotransmitter synthesis, immune and detoxification functions, and more. Their critical role in human health makes them important in numerous clinical presentations.

$450.00

Hair Tissue Mineral Analysis (HTMA)

Blood tests show what’s happening right now — but hair tells the story of months. Your hair locks in the record of your body’s mineral balance, nutrient status, and toxic metal exposure over time, making HTMA one of the most powerful tools for uncovering hidden patterns affecting your energy, mood, hormones, and resilience.

$150.00

Organic Acids Test

The Organic Acids Test provides a snapshot of the metabolism, based on a comprehensive assessment of 76 unique urinary metabolites. These small, discarded organic acid molecules are by-products of human cellular activity, the digestion of foods, and the metabolism of gastrointestinal flora. Specimens from individuals with a chronic illness, allergic condition, or neurological disorder often have one or more abnormal organic acids. Some organic compounds are produced by an overgrowth of gastrointestinal yeast and/or bacteria species due to impaired immune function or exposure to broad-spectrum antibiotics. Identification of yeast or bacterial overgrowth, paired with successful treatment can eradicate or markedly reduce patients’ symptoms and significantly increase the likelihood of recovery. The Great Plains Laboratory’s Organic Acids Test is the most comprehensive test of its kind. It evaluates yeast and bacterial overgrowth, vitamin and antioxidant levels, fatty acid metabolism, neurotransmitter levels, inborn errors of metabolism (including oxalate levels), mitochondrial function, oxidative stress, detoxification, and much more.

$450.00

Recommended reading

Articles from our practitioners.

Vitamins & Minerals

Parathyroid Hormone (PTH): What High and Low Levels Mean

Parathyroid hormone keeps blood calcium in a narrow range. What a high or low PTH result may mean, and why it has to be read alongside calcium, vitamin D and other markers.

Mental Health Vitamins & Minerals

The $11 Lab Marker That May Tell You More About Your Brain Than You Think

Most people have never heard of the anion gap, yet it can be calculated from a simple Comprehensive Metabolic Panel (CMP) that costs $11. No special testing is required. If you already have sodium, potassium, chloride, and CO₂ (bicarbonate) on your lab report, you can calculate your anion gap and gain valuable insight into your…

Detoxification Digestive System Vitamins & Minerals Women's Health

Why Hyperpigmentation Happens Even Without Sun Exposure

Hyperpigmentation is one of the most misunderstood skin problems because most people still believe it starts with the sun. That’s also why so many women spend years on expensive skincare, chemical peels, lasers, and brightening products, only to watch pigmentation come back months later. The truth is that dark spots often start much deeper than…

Cardiovascular Health Detoxification Essential Immune Metabolic Health Vitamins & Minerals

What Blood Tests Should I Do to Check My Health

Today, more and more people are turning to tools like ChatGPT and asking a simple question:“What blood tests should I do to check my health?” The problem is – most answers are based on standard medical protocols. These protocols are designed to detect disease, not to identify early imbalances. As a result, many important markers…

Essential Men's Health Metabolic Health Vitamins & Minerals Women's Health

Minerals: The Missing Link to Cellular Energy, Hormone Balance, and Whole-Body Health

Most people know vitamins are important — but few realize that minerals are the “spark plugs” of your cells. They activate the enzymes that drive nearly every process in your body, from hormone production to detoxification to energy creation. Without enough minerals, even the healthiest diet and lifestyle can fall short, leaving you feeling fatigued,…

Detoxification Digestive System Vitamins & Minerals

Vitamin A and Liver Health: The Essential Connection

Vitamin A is best known for supporting vision, but it is also one of the most important nutrients for liver health. The liver is both the main storage site and a key beneficiary of vitamin A, using it to support bile production, antioxidant defense, and tissue regeneration. How Vitamin A Supports the Liver 1. Bile…

Mental Health Vitamins & Minerals

Magnesium and Mental Health: The Mineral of Calm, Clarity, and Energy

Magnesium is one of the most important minerals for the human body — and the mind. It is present in every cell and is involved in hundreds of chemical processes that keep us alive and functioning. The brain, nervous system, muscles, and heart all rely on a steady supply of magnesium to work properly. In…

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