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Master Gland Formula

product on market Capsule Nature's Sunshine Safety: 90/100
90/100

This product looks safe

  • Contains proprietary blend — exact ingredient amounts not disclosed
  • 33% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains vitamins A, C, E, and zinc, which have strong evidence for supporting immune function and antioxidant defense. Pantothenic acid contributes to energy metabolism. Overall, these ingredients are well-researched, though the specific combination's efficacy for glandular support has limited clinical evidence.

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

Alerts

Safety Alerts

Contains proprietary blend — exact ingredient amounts not disclosed

Label

Product Label

Label for Master Gland Formula
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Capsule(s)
Serving Size
60
Servings
Botanical with Nutrients
Product Type
33%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Vitamin A
270 mcg (30% DV)
Vitamin C
60 mg (67% DV)
10 mg (67% DV)
Within RDA (0.7× RDA) 179 studies (A:3, B:90)
24 mg (480% DV)
4.8× RDA — above typical dose 2 studies — no high-quality reviews
6 mg (55% DV)
Within RDA (0.5× RDA) 263 studies (A:6, B:134)
1 mg (43% DV)
Within RDA (0.4× RDA) 9 studies — no high-quality reviews
Potassium
20 mg (1% DV)
25 mg
Market median: 60.0mg (94 products) 13 studies (A:0, B:7)
Proprietary Blend
688 mg

Other Ingredients

Capsule
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Recommended Use: Take 2 capsules twice daily.

Warnings & Precautions

Do not use if inner seal is missing or damaged.

Formulation Notes

Ko Pareve (Kosher)

Glandular system support With herbal extracts

Guaranteed pure

Additional Information

Bottle made from 100% post consumer recycled material. We are committed to you and our planet. Scan to learn more.

Ko Pareve (Kosher)

New look! Same great product

Metadata

Product Details

UPC / SKU0 99904 03040 4
DSLD Entry Date2022-10-24
Product TypeBotanical with Nutrients
FormCapsule
BrandNature's Sunshine
DSLD ID278169
Data Updated2026-04-11
Research

Research Evidence

337
Research Sources
54
Avg Quality
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
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
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
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
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
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 →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.