Natural Factors Ultra Prim (Evening Primrose Oil) 1000mg

Natural Factors Ultra Prim (Evening Primrose Oil) 1000mg

Regular price $36.99

Feature summary

Natural Factors OmegaFactors Ultra Prim Evening Primrose Oil is derived from the highest quality evening primrose (Oenothera biennis) seeds, and extracted by cold pressing (expeller pressing) without the use of hexane or other solvents. This ultra-purified source of omega-6 essential fatty acids is highly stable and free of preservatives, offering 100 mg of gamma-linolenic acid (GLA) and 720 mg of cis-linoleic acid (LA) in each 1000 mg softgel.


The essential fatty acids in Ultra Prim play an important role in the management of inflammation, cholesterol levels, hormonal balance, eye and skin health, and circulation. Ultra Prim may help prevent cardiovascular disease, reduce the risk of dangerous blood clots, and support healthy blood pressure.

Due to its beneficial effects on the immune system, cell membranes, and hormonal balance, GLA helps ease symptoms associated with premenstrual syndrome (PMS) and atopic eczema. GLA supports the health and appearance of the skin, can decrease inflammation, and even offers relief from dry eyes for contact lens wearers.

Evening primrose oil is an important source of GLA for anyone who wants to increase their intake of this omega-6 essential fatty acid.

How it works

Evening primrose was called “the king’s cure-all” by early European settlers in North America and has long been used by Native Americans for its plethora of therapeutic effects. Modern science has discovered that many of these benefits appear connected to the concentration of GLA (up to 9%) found in evening primrose oil.


In the body GLA, a long chain fatty acid, is converted into a number of prostaglandins that influence numerous biological functions, including blood coagulation, blood vessel dilation, hormone production, cholesterol levels, inflammation, skin moisture, trans-epidermal water loss, and fatigue resistance. GLA has shown benefits for cardiovascular health, arthritis, skin disorders, premenstrual syndrome, and many more conditions.

A number of foods contain LA, the precursor to GLA, and the body can convert some LA to GLA with the help of various co-factors, including the enzyme delta-6-desaturase. However, a variety of other factors can hinder this process. People with diets high in sugar, alcohol, and trans or saturated fats; the elderly; and anyone with diabetes are especially at risk of having a low conversion of LA to GLA.

Medicinal ingredients

Each softgel contains:
Evening Primrose Oil (Oenothera biennis) (seed) 1000 mg
Gamma-linolenic acid 100 mg
Cis-linoleic acid 720 mg

Non-medicinal ingredients

Softgel (gelatin, glycerin, purified water), vitamin E.