🟢 99/100

This product looks safe

  • Iodine: 150mg is 136.4× the Tolerable Upper Intake Level (1.1mg)
  • 50% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Iodine: 150mg is 136.4× the Tolerable Upper Intake Level (1.1mg)

Label Data

3 Caplet(s) Serving Size
40 Servings
Other Combinations Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

Calories
5 Calorie(s)
Total Carbohydrates
2 Gram(s) (1% DV)
Vitamin A
2500 IU (50% DV)
Vitamin C
120 mg (200% DV)
2000 IU (500% DV)
📊 3.3× RDA — above typical dose (UL: 0.1 mg) 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.05mg UL 0.1mg
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
25 mg (1667% DV)
📊 20.8× RDA — above typical dose 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 25mg
25 mg (1471% DV)
📊 19.2× RDA — above typical dose 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 25mg
25 mg (125% DV)
✅ 1.8× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 25mg UL 35mg
25 mg (1250% DV)
📊 19.2× RDA — above typical dose (UL: 100 mg) 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 25mg UL 100mg
400 mcg (100% DV)
✅ Within RDA (1.0× RDA of 0.4 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 0.4mg UL 1.0mg
500 mcg (8333% DV)
📊 208.3× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.5mg
1000 mcg (333% DV)
📊 33.3× RDA — above typical dose 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 1.0mg
30 mg (300% DV)
📊 6.0× RDA — above typical dose 📚 1 studies — no high-quality reviews
RDA 5mg This product: 30mg
Calcium
50 mg (5% DV)
150 mg (100% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 136.4× (UL: 1.1 mg) 📚 243 studies (Tier A: 4, B: 133)
RDA 0.15mg This product: 150mg UL 1.1mg
25 mg (6% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 25mg
10 mg (67% DV)
✅ Within RDA (0.9× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 10mg UL 40mg
25 mcg (36% DV)
✅ Within RDA (0.5× RDA of 0.055 mg) 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.025mg UL 0.4mg
0.5 mg (25% DV)
✅ Within RDA (0.6× RDA of 0.9 mg) 📚 36 studies (Tier A: 0, B: 11)
RDA 0.9mg This product: 0.5mg UL 10mg
2 mg (100% DV)
✅ Within RDA (0.9× RDA of 2.3 mg) 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 2mg UL 11mg
100 mcg (83% DV)
✅ 2.9× RDA — within safe limits 📚 197 studies (Tier A: 1, B: 55)
RDA 0.035mg This product: 0.1mg
51 mcg (68% DV)
✅ 1.1× RDA — within safe limits 📚 2 studies — no high-quality reviews
RDA 0.045mg This product: 0.051mg UL 2mg
Sodium
10 mg (1% DV)
Potassium
30 mg (1% DV)
10 mg
📊 Market median: 125.0mg (294 products) 📚 36 studies (Tier A: 1, B: 7)
RDA 550mg This product: 10mg UL 3500mg
10 mg
📊 Market median: 550.0mg (217 products) 📚 29 studies (Tier A: 0, B: 5)
This product: 10mg
1 mg
📊 Market median: 3.0mg (58 products) 📚 2 studies — no high-quality reviews
This product: 1mg UL 20mg
DNA
1 mg
RNA
1 mg
10 mcg
📊 Market median: 10.0mg (105 products) 📚 1 studies (Tier A: 0, B: 1)
This product: 0.01mg
100 mg
📊 Market median: 1000.0mg (212 products) 📚 12 studies (Tier A: 0, B: 3)
This product: 100mg
Citrus Bio Complex
50 mg
Green Source Digestive Enzyme Blend
50 mg
📊 Market median: 80.0mg (20 products) 📚 334 studies (Tier A: 8, B: 183)
This product: 25mg
Green Source Green and Whole Food Blend
500 mg
Green Source Herb Blend
100 mg
Green Source Vegetable Blend
100 mg
Green Source Fruit Blend
100 mg
Green Source Mushroom Blend
50 mg

Other Ingredients

Vegetable Cellulose Silica Contains Less Than 2% of

Label Claims — Verification

All Other
All Other (99% of products) Structure/Function (71% of products) Nutrient (61% of products) Approved Health (1% of products)

Target Groups

Vegetarian Adult (18 - 50 Years) Gluten Free Dairy Free Sugar Free

Product Information

📋 Directions for Use

Directions: For adults, take three (3) caplets daily, preferably with a meal.

⚠️ Warnings & Precautions

Warning: Not intended for use by pregnant or nursing women. If you are taking any medications, planning any medical or surgical procedure or have any medical condition, consult your doctor before use.

Avoid this product if you are allergic to sunflowers, ragweed or daisy-like flowers.

Discontinue use and consult your doctor if any adverse reactions occur.

Not intended for use by persons under the age of 18. Keep out of reach of children.

Do not use if seal under cap is broken or missing.

🧪 Formulation Notes

No Artificial Color or Flavor, no Preservatives, no Sugar, no Milk, no Lactose, no Gluten, no Wheat, no Fish.

Green Source Iron Free has been developed for those individuals who do not need to supplement their diet with extra Iron, but who still want the nutritional benefits provided by this carefully blended formulation. This comprehensive formula provides natural food concentrates, essential vitamins and minerals, herbs, essential oils, and other natural food factors.

Additional Information

Quality Assured

With whole food concentrates nature’s nutrients

Store unopened container at room temperature.

Color may vary due to natural ingredients.

Refrigerate after opening.

To reorder prod. #6190 www.vitaminworld.com 1-800-228-4533

This product also provides naturally occurring active constituents of whole food concentrates including plant enzymes, plant pigments and trace elements.

PROD. # 6190 B55690 15F

Product Details

UPC / SKU 0 74312 76190 4
DSLD Entry Date 2016-10-22
Product Type Other Combinations
Form Other (e.g. tea bag)
DSLD ID 64996
Data Updated 2026-04-11

Research Evidence

566 Research Sources
56 Avg Quality Score
240 Meta Analysis
100 Clinical Trial
74 Systematic Review
71 Guideline
58 Rct
11 Cochrane Review
4 Regulatory Source
2 Other
2 Narrative Review
1 Observational
1 Openfda Safety
A Systematic review and meta-analysis of intravenous iron therapy for patients with heart failure and iron deficiency
Meta Analysis Nature medicine 2025
A Intermittent iron supplementation for reducing anaemia and its associated impairments in adolescent and adult menstruating women
Meta Analysis The Cochrane database of systematic reviews 2019
A Oral or parenteral iron supplementation to reduce deferral, iron deficiency and/or anaemia in blood donors
Meta Analysis The Cochrane database of systematic reviews 2014
A Serum or plasma ferritin concentration as an index of iron deficiency and overload
Meta Analysis The Cochrane database of systematic reviews 2021
A Non-invasive diagnostic tests for Helicobacter pylori infection
Meta Analysis The Cochrane database of systematic reviews 2018
A Hypoxia-inducible factor stabilisers for the anaemia of chronic kidney disease
Meta Analysis The Cochrane database of systematic reviews 2022
A Wheat flour fortification with iron and other micronutrients for reducing anaemia and improving iron status in populations
Meta Analysis The Cochrane database of systematic reviews 2021
A Fortification of condiments and seasonings with iron for preventing anaemia and improving health
Meta Analysis The Cochrane database of systematic reviews 2023
A Screening and Supplementation for Iron Deficiency and Iron Deficiency Anemia During Pregnancy: US Preventive Services Task Force Recommendation Statement.
Guideline JAMA 2024
A Psychiatric and cognitive outcomes of iron supplementation in non-anemic children, adolescents, and menstruating adults: A meta-analysis and systematic review
Meta Analysis Neuroscience and biobehavioral reviews 2025
View all evidence for Iron →

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