Biotin
Some search terms matched…al symptoms. Hair loss alone does not establish deficiency.
Food sources
Cooked eggs; nuts; seeds; fish; meats.
Supplement forms
Biotin (vitamin B7).
Before taking a supplement
Biotin supplements can distort some thyroid, hormone and heart-…
Calcium
Some search terms matched…ultiple causes and is not equivalent to low dietary intake.
Food sources
Milk; yogurt; calcium-set tofu; fortified plant drinks; canned fish with edible bones; kale.
Supplement forms
Calcium carbonate and calcium citrate.
Before taking a su…
Camu Camu
Some search terms matched…d. Symptoms are not evidence that you need this supplement.
Food sources
Camu camu fruit and fruit powder. Other vitamin C-rich fruits do not contain camu camu.
Supplement forms
Powders, capsules and extracts vary by species, plant part and…
Carnitine
Some search terms matched…, and these disorders require specific clinical evaluation.
Food sources
Meat, fish and dairy; the body also makes carnitine.
Supplement forms
L-carnitine, acetyl-L-carnitine and L-carnitine L-tartrate are distinct preparations.
Before taki…
Catalase
Some search terms matched…d. Symptoms are not evidence that you need this supplement.
Food sources
The body makes catalase. Enzyme-containing foods have not been shown to replace intracellular catalase.
Supplement forms
Enzyme-containing products are marketed as sup…
Chlorophyll
Some search terms matched…d. Symptoms are not evidence that you need this supplement.
Food sources
Spinach, kale, parsley and other green vegetables.
Supplement forms
Chlorophyll and chlorophyllin are different substances used in products.
Before taking a supplement…
Choline
Some search terms matched…eficiency studies; nonspecific symptoms do not diagnose it.
Food sources
Eggs; liver; fish; soybeans; poultry; beans.
Supplement forms
Choline bitartrate and phosphatidylcholine are examples.
Before taking a supplement
Large supplemental am…
Chromium
Some search terms matched…d. Symptoms are not evidence that you need this supplement.
Food sources
Meat, whole grains and some vegetables; amounts vary.
Supplement forms
Chromium picolinate and chromium chloride are examples.
Before taking a supplement
Concentrated …
Copper
Some search terms matched…se anemia, low white blood cells and neurological problems.
Food sources
Shellfish; nuts; seeds; organ meats; whole grains.
Supplement forms
Copper gluconate, sulfate and bisglycinate.
Before taking a supplement
Excess zinc can reduce coppe…
CoQ10 (Coenzyme Q10)
Some search terms matched…d. Symptoms are not evidence that you need this supplement.
Food sources
Small amounts occur in meat, fish and nuts; the body also makes CoQ10.
Supplement forms
Ubiquinone and ubiquinol are common forms.
Before taking a supplement
Concentra…
Cysteine
Some search terms matched…rption and the clinical setting with a qualified clinician.
Food sources
Protein foods such as eggs, fish, poultry, meat, dairy, soy and legumes supply amino acids. The body also makes some amino acids.
Supplement forms
Single-amino-acid pr…
Delta-Tocotrienol
Some search terms matched…d. Symptoms are not evidence that you need this supplement.
Food sources
Annatto-derived extracts, palm oil and rice-bran oil contain tocotrienols.
Supplement forms
Delta-tocotrienol and mixed tocotrienol products are distinct from alpha-to…
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