Soy-derived phosphatidic acid ‘best in class’ as PA source for sports nutrition.NutraIngredients A new series of studies support the bioavailability and safety of soy-derived PA, its ability to boost strength and power in highly trained athletes, and increase lean body mass. HTTPS://WWW.NUTRAINGREDIENTS-USA.COM/ARTICLE/2013/06/17/SOY-DERIVED-PHOSPHATIDIC-ACID-BEST-IN-CLASS-AS-PA-SOURCE-FOR-SPORTS-NUTRITION