Immune Booster

product on market Tablet or Pill NaturesPlus Source of Life 🟢 Safety: 100/100
Brand: NaturesPlus Source of Life
🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

3 Bi-Layered Tablet(s) Serving Size
30 Servings
Other Combinations Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A
3000 mcg RAE (333% DV)
Vitamin C
500 mg (556% DV)
40 mg (267% DV)
✅ 2.7× RDA — within safe limits 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 40mg UL 1000mg
15 mg (136% DV)
✅ 1.4× RDA — within safe limits 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 15mg UL 40mg
ARA-Larix
250 mg
Oliceutic-20
75 mg
Andrographis extract
50 mg
50 mg
📊 Market median: 400.0mg (380 products) 📚 34 studies (Tier A: 1, B: 10)
This product: 50mg
50 mg
📊 Market median: 175.0mg (497 products) 📚 11 studies (Tier A: 0, B: 1)
This product: 50mg
1 mg
📊 Market median: 80.0mg (20 products) 📚 334 studies (Tier A: 8, B: 183)
This product: 1mg

Other Ingredients

Microcrystalline Cellulose Hydroxypropyl Methylcellulose Stearic Acid Vegetable Cellulose Magnesium Stearate Natural colors Silica Pharmaceutical Glaze

Label Claims — Verification

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

Target Groups

Vegetarian Adult (18 - 50 Years) Gluten Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement, three tablets once daily.

⚠️ Warnings & Precautions

Keep out of reach of children.

🧪 Formulation Notes

Nutritional Support for Overall Well-Being.

Source of Life Adult Formula Immune Booster supplies powerful levels of the immune-fortifying vitamins A, C and E, as well as defense-boosting zinc, in the fast-releasing side of a proprietary bi-layered tablet. Then powerful standardized botanicals are released from the extended delivery layer. ARA-Larix, Olive Leaf and Fruit, Andrographis, Elderberry and Echinacea offer nutritional support for a healthy immune system, while Acidophilus helps promote a balanced digestive environment and optimal nutrient absorption.

Adult formula

Gluten Free

Rapid Release Essential Nutrients Extended Release Powerful Botanicals Bi-Layer Delivery System

Vegetarian

Free from artificial colors and preservatives and all of the major allergens identified in the U.S. Food Allergen Labeling and Consumer Protection Act.

Additional Information

Keep tightly closed in a cool, dry place.

Product Details

UPC / SKU 0 97467 03088 6
DSLD Entry Date 2021-07-27
Product Type Other Combinations
Form Tablet or Pill
Brand NaturesPlus Source of Life
DSLD ID 249702
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 →

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