FAQ

What is PhosphatidylSerine (PS)?

PS is an essential building block of brain-cells membrane, which helps maintaining their functionality & longevity.

Why Should I take PS?

Clinical studies have shown that consumption of 100-300 mg/day PS may provide relief for mild memory problems associated with aging1,2.

Where does standard PS come from?

Most of PS is currently being produced from soy-lecithin.

Is PS found naturally in food?

PS is normally found in small quantities in eggs, milk and various meat products.

Do I get enough in my diet?

Recent research has shown that modern nutrition and especially low-fat or vegetarian diets have poor PS levels, as compared to the daily PS intake estimated in the 1980s3.

What is an appropriate supplement level?

Appropriate PS intake is of 200-300 mg/day for the first 4-6 weeks and then at least 100 mg/day.

When will I know it starts working?

PS effect should be noted following the first 4 to 6 weeks of use.

Who needs PS?

All those who wish to ensure the proper maintenance of their memory and learning capabilities and people who work under stress.

Is PS safe?

PS was found to be safe even at high dosage levels, while no serious adverse effects have been associated with consumption of PS4,5. There isn't any reported drug, food or supplement that is known to contradict its use. Pregnant women and children should not use PS except on a physician's advice.

How PS is viewed by the official authorities?

FDA has also allowed 2 qualified health claims for the use of PS6.

1. Crook, T. H.; Tinklenberg, J.; Yesavage, J.; Petrie, W.; Nunzi, M. G.; Massari, D. C. Neurology 1991, 41, 644-9.

2. Crook, T. In Anti-Aging Medical Therapeutics,; Katz, RM, Goldman, Eds. 1998; Vol. 2, p 20-28.

3. M. Hamm. Ernährungswissenschaftliche Stellungnahme zur Veränderung der nutritiven Versorgung mit Phosphatidylserin (PS), 2002.

4. orissen, B. L.; Brouns, F.; Van Boxtel, M. P.; Riedel, W. J. Nutr Neurosci 2002, 5, 337-43.

5. Cenacchi B, Baggio C, Palin E,. Clin. Trials J. 1987, 24, 125-130.

6. http://www.cfsan.fda.gov/~dms/ds-ltr36.html