Liquid Evening Primrose Oil by Nature's Answer — Ingredients, Evidence & Safety

Product Label

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Label Data

0.5 tsp Serving Size

48 Servings

Fat/Fatty Acid Product Type

33% Evidence Coverage

Supplement Facts — Evidence Check

Calories

25 Calorie(s)

Vitamin E

1 mg (7% DV)

✅ Within RDA (0.1× RDA of 15 mg) 📚 177 studies (Tier A: 3, B: 90)

RDA 15mg This product: 1mg UL 1000mg

Evening Primrose (Oenothera biennis) (seed) oil

2 Gram(s)

Other Ingredients

Quik-Sorb

Label Claims — Verification

❓ Nutrient

❓ All Other

All Other (98% of products) Structure/Function (81% of products) Nutrient (56% of products) Qualified Health (2% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

Suggested Use: As a dietary supplement, take 1/2 teaspoon (2.5 mL) daily with 6-8 oz. of water or food. Shake well before use.

⚠️ Warnings & Precautions

Warning: Keep out of reach of children.

Do not use if safety seal is damaged or missing.

Do not use if you are pregnant or nursing. If you are taking any medications, planning any medical procedure or have a medical condition, consult with your healthcare practitioner before use.

Contains: Soy.

🧪 Formulation Notes

Evening Primrose Oil is a natural source of some essential fatty acids such as Linoleic Acid and Gamma-Linolenic Acid (GLA).

Natural Source of GLA

With Quik-Sorb

Gluten Free

Contains: Soy.

Additional Information

Unconditionally Guaranteed.

27140 Rev. 917

Since 1972

Gluten Free

Refrigerate after opening.

Product Details

UPC / SKU 0 83000 26140 4

DSLD Entry Date 2019-02-25

Product Type Fat/Fatty Acid

Form Liquid

Brand Nature's Answer

DSLD ID 184275

Data Updated 2026-04-11

Research Evidence

253 Research Sources

55 Avg Quality Score

128 Meta Analysis

52 Systematic Review

41 Rct

24 Clinical Trial

3 Regulatory Source

1 Narrative Review

1 Other

1 Guideline

1 Openfda Safety

A Vitamin E supplementation in pregnancy

Meta Analysis The Cochrane database of systematic reviews 2015

PubMed DOI

A Vitamin E for Alzheimer's dementia and mild cognitive impairment

Systematic Review The Cochrane database of systematic reviews 2017

PubMed DOI Cochrane

A Vitamin E for Alzheimer's disease and mild cognitive impairment

Meta Analysis The Cochrane database of systematic reviews 2008

PubMed DOI Cochrane

A Vitamin E for Alzheimer's dementia and mild cognitive impairment

Meta Analysis The Cochrane database of systematic reviews 2012

PubMed DOI Cochrane

A Exercise for intermittent claudication

Meta Analysis The Cochrane database of systematic reviews 2017

PubMed DOI

A Effects of vitamin E supplementation on the risk and progression of AD: a systematic review and meta-analysis

Meta Analysis Nutritional neuroscience 2021

PubMed DOI

A Effect of vitamin E supplementation in rheumatoid arthritis: a systematic review and meta-analysis

Meta Analysis European journal of clinical nutrition 2023

PubMed DOI

A Vitamin E and the risk of prostate cancer: the Selenium and Vitamin E Cancer Prevention Trial (SELECT)

Rct JAMA 2011

PubMed DOI

A Vitamin E for Alzheimer's dementia and mild cognitive impairment

Meta Analysis The Cochrane database of systematic reviews 2017

PubMed DOI Cochrane

B Vitamin, Mineral, and Multivitamin Supplementation to Prevent Cardiovascular Disease and Cancer: US Preventive Services Task Force Recommendation Statement.

Guideline JAMA 2022

PubMed DOI

View all evidence for Vitamin E →