Natural Factors, OmegaFactors, Ultra Prim, Evening Primrose Oil, 500 mg, 180 Softgels

Frequently Asked Questions (Q&A)

What is the 500 mg Natural Factors Ultra Prim?

It is Natural Factors Ultra Prim evening primrose oil in 500 mg softgels, 180 softgels per bottle. The label describes the oil as a source of the omega-6 essential fatty acid gamma-linolenic acid (GLA) and presents the 500 mg softgel as a highly purified form. Extraction uses a gentle process that crushes the seed without external heat or harsh solvents.

What does the label list for the 500 mg Ultra Prim?

Each softgel contains 500 mg Ultra Prim evening primrose oil, described on the label as a source of the omega-6 essential fatty acid GLA. The label states the oil is highly purified and extracted by a gentle process that crushes the seed without external heat or solvents such as alcohol, hexane or organic chlorines. (Source: product label, checked 2026-11-12.)

Who is the 500 mg Ultra Prim intended for?

It is a dietary supplement supplying 500 mg of evening primrose oil per softgel, in a 180-softgel bottle. The printed caution is that children must not be able to reach the product, so anyone pregnant, breastfeeding, on medication or under care for a condition should speak to a health professional before use.

How is the 500 mg Ultra Prim taken?

Suggested use is 1 softgel 2-3 times per day, or as directed by a health professional, and 180 softgels cover roughly 60 to 90 days at that rate.

Are there any cautions with the 500 mg Ultra Prim?

The label asks that children are not able to reach the product, and prints no other caution. This product is a dietary supplement. It is not intended to diagnose, treat, cure or prevent any disease, and it is not a substitute for a balanced diet, medication or professional medical advice. Consult a doctor or pharmacist if you are pregnant, breastfeeding, taking medication, have a medical condition or are preparing for surgery.

How does the 180-softgel Ultra Prim bottle compare within the brand?

This 180-softgel bottle is the larger pack at 500 mg per softgel, and the label prints no storage line. Within the same brand range, GrapeSeedRich Grape Seed Extract is a 100 mg capsule in a 90-count bottle, a different form and a different raw material.

Which Natural Factors product sits alongside the 500 mg Ultra Prim?

A same-brand option for the same shelf is BlueRich Super Strength Blueberry Concentrate, 500 mg, 90 Softgels, taken as its own label directs; it is a separate product and not a replacement for this evening primrose oil.

Where can I buy genuine Natural Factors Ultra Prim?

Genuine Natural Factors stock is sold through our online shop and our Mong Kok and Macau stores, and every item is covered by the Hong Kong Intellectual Property Department's No Fakes Pledge.

What are the delivery and returns arrangements?

Hong Kong orders over HK$300 ship free to SF stations, lockers or stores; Macau delivery is available to eBuy.mo pickup points under the current delivery terms. Returns or exchanges must be requested within 7 days of shipment with the original packaging.