L-Serine
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
L-serine and D-serin…
Shiitake
Some search terms matched… in this botanical or compound.
Shiitake mushrooms used as food differ from concentrated mushroom extracts.
What symptoms can—and cannot—tell you
There is no established dietary deficiency syndrome for this specific botanical or compound. …
Strontium
Some search terms matched…d. Symptoms are not evidence that you need this supplement.
Food sources
Trace amounts occur in foods and water; there is no established dietary requirement.
Supplement forms
Supplemental strontium salts are not interchangeable with prescri…
Sulforaphane
Some search terms matched…d. Symptoms are not evidence that you need this supplement.
Food sources
Broccoli and other cruciferous vegetables supply precursors that can form sulforaphane.
Supplement forms
Broccoli-derived preparations may supply sulforaphane or its p…
Superoxide Dismutase (SOD)
Some search terms matched…d. Symptoms are not evidence that you need this supplement.
Food sources
The body makes SOD enzymes. Eating a food containing SOD does not establish delivery of active enzyme to your tissues.
Supplement forms
Enzyme-containing products are …
Taurine
Some search terms matched…rption and the clinical setting with a qualified clinician.
Food sources
Fish, shellfish, meat and dairy contain taurine; the body also synthesizes it.
Supplement forms
Single-amino-acid products and protein mixtures are different. Check th…
L-Threonine
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
L-threonine may be i…
L-Tryptophan
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…
Turmeric
Some search terms matched…d. Symptoms are not evidence that you need this supplement.
Food sources
Turmeric used as a culinary spice.
Supplement forms
Turmeric as a spice differs from concentrated curcumin extracts, especially formulas with absorption-enhancing ingr…
L-Tyrosine
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
L-tyrosine and N-ace…
L-Valine
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
L-valine in BCAA, es…
Vanadium
Some search terms matched…d. Symptoms are not evidence that you need this supplement.
Food sources
Trace amounts occur in foods such as mushrooms, grains and shellfish.
Supplement forms
Vanadyl sulfate is marketed in supplements; it is not an established nutritional…
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