Deficiency Symptoms - Vitamins, Nutrients

Alpha Ketoglutarate (AKG)
Alpha Ketoglutarate (AKG) Deficiency SymptomsAKG is not an essential nutrient, and no deficiency has been reported.

Vitamin E
Vitamin E Deficiency SymptomsSevere vitamin E deficiencies are rare. People with a genetic defect in a vitamin E transfer protein called thrombotic thrombocytopenic purpura (TTP) have severe vitamin E deficiency, characterized by low blood and tissue levels of vitamin E and progressive nerve abnormalities. Low vitamin E status [...]

Amino Acids Overview
Amino Acids Overview Deficiency SymptomsThe vast majority of Americans eat more than enough protein and also more than enough of each essential amino acid for normal purposes. Dieters, some strict vegetarian body builders, and anyone consuming an inadequate number of calories may not be consuming adequate amounts of amino acids. In these cases, the [...]

5-Hydroxytryptophan
5-Hydroxytryptophan Deficiency SymptomsDisruptions in emotional well-being, including depression and anxiety, have been linked to serotonin imbalances in the brain. People with fibromyalgia often have low serotonin levels in their blood. Supplements of 5-HTP may increase serotonin synthesis in these cases. The cause of migraine headaches is related to abnormal serotonin function in blood vessels, and 5-HTP may help correct [...]

Arginine
Arginine Deficiency SymptomsNormally, the body makes enough arginine, even when it is lacking in the diet. However, during times of unusual stress (including infection, burns, and injury), the body may not be able to keep up with increased requirements.

Branched-Chain Amino Acids
Branched-Chain Amino Acids Deficiency SymptomsOnly a person deficient in protein would become deficient in BCAAs, because most foods that are sources of protein supply BCAAs. Few people in Western societies are protein deficient.

L-Carnitine
L-Carnitine Deficiency SymptomsCarnitine deficiencies are rare, even in strict vegetarians, because the body produces carnitine relatively easily. Rare genetic diseases can cause a carnitine deficiency. Also, deficiencies are occasionally associated with other diseases, such as diabetes and cirrhosis. Among people with diabetes, carnitine deficiency is more likely to be found [...]

Cysteine
Cysteine Deficiency SymptomsAccording to several studies, blood levels of cysteine and glutathione are low in people infected with HIV. Cysteine has a role in the proper function of the immune system, so a deficiency of this amino acid may either contribute to, or result from, immune suppression associated with HIV.

Phenylalanine
Phenylalanine Deficiency SymptomsPeople whose diets are very low in protein may develop a deficiency of LPA, although this is believed to be very uncommon. However, one does not necessarily have to be deficient in LPA in order to benefit from a DLPA [...]

Glutamic Acid
Glutamic Acid Deficiency SymptomsMost food sources of protein supply glutamic acid, so only a person deficient in protein would become deficient in glutamic acid.

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