Health Aid Evening Primrose Oil capsules contain 500mg of cold-pressed EPO oil enriched with Vitamin E. This hexane-free formula provides 10% GLA (Gamma Linolenic Acid) and is manufactured using a cold-pressed extraction method to preserve the oil's natural benefits. Evening Primrose Oil (EPO) is a natural source of essential fatty acids, particularly Gamma Linolenic Acid (GLA). The addition of Vitamin E helps protect the oil from oxidation while providing additional nutritional benefits. The cold-pressed extraction method ensures the highest quality oil without using chemical solvents, as indicated by the hexane-free formulation. Each bottle contains 30 capsules for a month's supply.