🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 20% of ingredients have research evidence
B Label Compliance Grade

Product Label

📸

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Label Data

2 Softgel(s) Serving Size
30 Servings
Fat/Fatty Acid Product Type
20% Evidence Coverage

Supplement Facts — Evidence Check

Total Fat
1 Gram(s) (2% DV)
30 IU (100% DV)
✅ 1.3× RDA — within safe limits 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 20.1mg UL 1000mg
Phospholipid Complex
280 mg
Tuna Oil
400 mg
Evening Primrose Oil
300 mg

Other Ingredients

Softgel Capsule Sunflower Oil

Label Claims — Verification

Nutrient
All Other
Structure/Function
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 Dairy Free

Product Information

📋 Directions for Use

Suggested Usage: For the first month take 2 softgels 3–4 times per day. After one month take 2 softgels 2 times per day or as directed by a health professional.

⚠️ Warnings & Precautions

Keep out of reach of children.

Sealed for your protection. Do not use if seal is broken.

🧪 Formulation Notes

PS-IQ(R) synergistically combines PS (phosphatidylserine) and valuable essential fatty acids to support brain function.*

Natural Factors uses Sharp-PS(R) GREEN Phosphatidylserine, which is derived from non-GMO sunflower lecithin and is 100% soy-free.

Contains no artificial preservatives, color or sweeteners; no corn, dairy, gluten, soy, starch, wheat or yeast.

Additional Information

The tuna oil and EPO are tested for heavy metals, pesticides and peroxide.

Manufactured by Natural Factors to ensure safety and potency in accordance with Good Manufacturing Practices (GMP) of the FDA and Health Canada.

For freshness, store in a cool, dry place.

PRODUCT OF CANADA

Recyclable container and label.

Purity&Potency Guaranteed

with EFA–Rich Oils

PS Factor(R) HEALTHY BRAIN FUNCTION*

Sharp-PS(R) GREEN

R8

Product Details

UPC / SKU 0 68958 02625 1
DSLD Entry Date 2014-10-27
Product Type Fat/Fatty Acid
Form Softgel Capsule
DSLD ID 38154
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
A Vitamin E for Alzheimer's dementia and mild cognitive impairment
Systematic Review The Cochrane database of systematic reviews 2017
A Vitamin E for Alzheimer's disease and mild cognitive impairment
Meta Analysis The Cochrane database of systematic reviews 2008
A Vitamin E for Alzheimer's dementia and mild cognitive impairment
Meta Analysis The Cochrane database of systematic reviews 2012
A Exercise for intermittent claudication
Meta Analysis The Cochrane database of systematic reviews 2017
A Effects of vitamin E supplementation on the risk and progression of AD: a systematic review and meta-analysis
Meta Analysis Nutritional neuroscience 2021
A Effect of vitamin E supplementation in rheumatoid arthritis: a systematic review and meta-analysis
Meta Analysis European journal of clinical nutrition 2023
A Vitamin E and the risk of prostate cancer: the Selenium and Vitamin E Cancer Prevention Trial (SELECT)
Rct JAMA 2011
A Vitamin E for Alzheimer's dementia and mild cognitive impairment
Meta Analysis The Cochrane database of systematic reviews 2017
B Vitamin, Mineral, and Multivitamin Supplementation to Prevent Cardiovascular Disease and Cancer: US Preventive Services Task Force Recommendation Statement.
Guideline JAMA 2022
View all evidence for Vitamin E →

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