G.F.S.-2000 Powder by Douglas Laboratories — Ingredients, Evidence & Safety

What the Evidence Says

This formula combines probiotics and fructooligosaccharides, which have moderate evidence for supporting gut microbiome health. Vitamin A contributes to immune function and vision, though the overall evidence coverage for this specific blend is limited. The product maintains a high safety profile with a score of 90/100.

AI-generated summary based on research evidence. Not medical advice.

Product Label

📄 Open Full PDF View on NIH DSLD →

📸

Have a supplement label? Find it here.

Upload a photo of any supplement label to search our database of 92,312 products.

Safety Alerts

ℹ️ Contains proprietary blend — exact ingredient amounts not disclosed

Label Data

19 Gram(s) Serving Size

13 Servings

Other Combinations Product Type

40% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A

13000 IU (260% DV)

Green Food Supplement

19000 mg

Probiotic Cultures

20000000000 CFU

📊 Market median: 80.0mg (20 products) 📚 337 studies (Tier A: 8, B: 183)

This product: 20000000000mg

Fructooligosaccharides

2000 mg

📊 Market median: 100.0mg (1 products) 📚 42 studies (Tier A: 1, B: 15)

This product: 2000mg

Proprietary Blend

40 mg

Other Ingredients

None

Label Claims — Verification

❓ All Other

All Other (99% of products) Structure/Function (76% of products) Nutrient (58% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Suggested Usage: As a dietary supplement, adults mix 2 scoops (approximately 4 teaspoons) daily of G.F.S.-2000 Powder with 8 ounces of juice or water in a shaker or mix in a small amount of liquid, then add remaining liquid, or as directed by your healthcare professional.

⚠️ Warnings & Precautions

KEEP OUT OF REACH OF CHILDREN.

Tamper resistant package, do not use if outer seal is missing.

🧪 Formulation Notes

This product contains NO yeast, corn, starch, artificial coloring, artificial preservatives or genetically modified organisms (GMOs).

Additional Information

For optimal storage conditions, store in a cool, dry place. (59(0)-77(0)F/15(0)-25(0)C) (35-65% relative humidity)

Formula #7703 V2

Product Details

UPC / SKU 3 10539 00218 6

DSLD Entry Date 2016-02-23

Product Type Other Combinations

Form Powder

Brand Douglas Laboratories

DSLD ID 56649

Data Updated 2026-04-11

Research Evidence

337 Research Sources

54 Avg Quality Score

161 Meta Analysis

68 Systematic Review

51 Rct

48 Clinical Trial

2 Other

2 Regulatory Source

1 Narrative Review

1 Cochrane Review

1 Guideline

1 Openfda Safety

A Vitamin A supplementation for preventing morbidity and mortality in children from six months to five years of age

Meta Analysis The Cochrane database of systematic reviews 2017

PubMed DOI Cochrane

A Vitamin A supplementation for the prevention of morbidity and mortality in infants six months of age or less

Meta Analysis The Cochrane database of systematic reviews 2011

PubMed DOI Cochrane

A Vitamin A supplementation for reducing the risk of mother-to-child transmission of HIV infection

Meta Analysis The Cochrane database of systematic reviews 2011

PubMed DOI Cochrane

A Vitamin A supplements for preventing mortality, illness, and blindness in children aged under 5: systematic review and meta-analysis

Meta Analysis BMJ (Clinical research ed.) 2011

PubMed DOI

A Fortification of staple foods with vitamin A for vitamin A deficiency

Systematic Review The Cochrane database of systematic reviews 2019

PubMed DOI Cochrane

A Vitamin A supplementation for the prevention of morbidity and mortality in infants one to six months of age

Narrative Review The Cochrane database of systematic reviews 2016

PubMed DOI Cochrane

A Vitamin A and fish oils for preventing the progression of retinitis pigmentosa

Meta Analysis The Cochrane database of systematic reviews 2020

PubMed DOI

A Exercise training-induced changes in exerkine concentrations may be relevant to the metabolic control of type 2 diabetes mellitus patients: A systematic review and meta-analysis of randomized controlled trials

Meta Analysis Journal of sport and health science 2023

PubMed DOI

A Food fortification with multiple micronutrients: impact on health outcomes in general population

Meta Analysis The Cochrane database of systematic reviews 2019

PubMed DOI

A Oral vitamin A supplements to prevent acute upper respiratory tract infections in children up to seven years of age

Meta Analysis The Cochrane database of systematic reviews 2024

PubMed DOI

View all evidence for Vitamin A →