The patented vitamin E phosphate, said to offer increased uptake of vitamin E by the body, is currently only marketed in North American by Zila Nutraceuticals, which markets it as Ester-E.
Under the new agreement the ingredient will be formulated into Swisse Vitamins' flagship Ultivite multivitamins range and sold as a stand alone soft gel capsule under the vitamin maker's own label.
Swisse Vitamins may consider other countries.
AIM-listed Phosphagenics recently announced that the ingredient, called Phospha E, reduced cardiovascular disease risk factors in an animal study.
The new agreement will help the AIM-listed firm increase its share of the growing vitamin E market.
Managing sirector Ian Pattison called the partnership a "significant commercial milestone".
