How to Use It
Positive effects on mental function have been achieved using 200–500 mg per day of bovine PS; most studies used 300 mg per day. Preliminary animal research shows that the soy-derived PS does have effects on brain function similar to effects from the bovine source. 23, 24, 25
Where to Find It
PS is found in only trace amounts in a typical diet. Very small amounts are present in lecithin. The body manufactures PS from phospholipid building blocks. PS research has used material derived from a bovine source. Currently, PS that is commercially available is derived from soy.
PS is not an essential nutrient, and therefore dietary deficiencies do not occur. Adults age 50 and older, especially those with age-related cognitive decline, may not synthesize enough PS, and appear most likely to benefit from supplemental PS.
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The information presented in Aisle7 is for informational purposes only. It is based on scientific studies (human, animal, or in vitro), clinical experience, or traditional usage as cited in each article. The results reported may not necessarily occur in all individuals. Self-treatment is not recommended for life-threatening conditions that require medical treatment under a doctor's care. For many of the conditions discussed, treatment with prescription or over the counter medication is also available. Consult your doctor, practitioner, and/or pharmacist for any health problem and before using any supplements or before making any changes in prescribed medications. Information expires June 2015.