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Green Source Iron Free

product on market Other (e.g. tea bag) Puritan's Pride Safety: 99/100
99/100

This product looks safe

  • Folate: 666mg is 666.0× the Tolerable Upper Intake Level (1.0mg)
  • 50% of ingredients have research evidence
C Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This product contains vitamins A, C, and D, which are supported by strong evidence for maintaining immune function and bone health. These essential nutrients play critical roles in cellular protection and calcium absorption. However, the overall evidence coverage for this specific formulation is limited.

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

Alerts

Safety Alerts

Folate: 666mg is 666.0× the Tolerable Upper Intake Level (1.0mg)

Label

Product Label

Label for Green Source Iron Free
Open Full PDF View on NIH DSLD →
Details

Label Data

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

Supplement Facts — Evidence Check

Calories
5 Calorie(s)
Total Carbohydrates
1 Gram(s) (1% DV)
Vitamin A
750 mcg (83% DV)
Vitamin C
120 mg (133% DV)
50 mcg (250% DV)
3.3× RDA — above typical dose (UL: 0.1 mg) 608 studies (A:16, B:251)
13.5 mg (90% DV)
Within RDA (0.9× RDA) 179 studies (A:3, B:90)
25 mg (2083% DV)
20.8× RDA — above typical dose 76 studies (A:0, B:33)
25 mg (1923% DV)
19.2× RDA — above typical dose 13 studies (A:0, B:1)
25 mg (156% DV)
1.8× RDA — within safe limits 196 studies (A:5, B:63)
25 mg (1471% DV)
19.2× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
666 mcg DFE (167% DV)
Exceeds UL by 666.0× (UL: 1.0 mg) 226 studies (A:10, B:105)
500 mcg (20833% DV)
208.3× RDA — above typical dose 139 studies (A:1, B:44)
1000 mcg (3333% DV)
33.3× RDA — above typical dose 27 studies (A:0, B:11)
30 mg (600% DV)
6.0× RDA — above typical dose 2 studies — no high-quality reviews
10 mg (2% DV)
Market median: 125.0mg (294 products) 38 studies (A:1, B:7)
Calcium
120 mg (9% DV)
150 mcg (100% DV)
Within RDA (1.0× RDA) 245 studies (A:4, B:133)
25 mg (6% DV)
Within RDA (0.1× RDA) 316 studies (A:8, B:159)
10 mg (91% DV)
Within RDA (0.9× RDA) 263 studies (A:6, B:134)
25 mcg (45% DV)
Within RDA (0.5× RDA) 173 studies (A:0, B:67)
0.5 mg (56% DV)
Within RDA (0.6× RDA) 37 studies (A:0, B:11)
2 mg (87% DV)
Within RDA (0.9× RDA) 9 studies — no high-quality reviews
1000 mcg (2857% DV)
28.6× RDA — above typical dose 199 studies (A:1, B:55)
51 mcg (113% DV)
1.1× RDA — within safe limits 3 studies — no high-quality reviews
Sodium
15 mg (1% DV)
Potassium
30 mg (1% DV)
10 mg
Market median: 550.0mg (217 products) 29 studies (A:0, B:5)
Black Chia
100 mg
Green Source Green and Whole Food Blend
545 mg
Green Source Powdered Vegetable Blend
205 mg
Green Source Powdered Fruit Blend
100 mg
Green Source Herb Blend
99 mg
Citrus Bio Complex
50 mg
Green Source Digestive Enzyme Blend
49 mg

Other Ingredients

Cellulose Dicalcium Phosphate Maltodextrin Silica Triacetin Magnesium Stearate Stearic Acid
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Info

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, have any medical condition, including a known sensitivity to latex, or are planning to undergo any clinical lab testing, consult your doctor before use. Some supplements may interact with certain medications and/or interfere with certain lab tests.

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.

May contain fish and shellfish. Contains bioengineered food ingredients.

Formulation Notes

Color may vary due to natural ingredients.

Multivitamins & minerals with whole food concentrates

Additional Information

Store at room temperature.

To reorder item # 6190 www.puritan.com 1-800-645-1030

QA Quality Assured

Metadata

Product Details

UPC / SKU0 74312 16190 2
DSLD Entry Date2024-09-25
Product TypeOther Combinations
FormOther (e.g. tea bag)
BrandPuritan's Pride
DSLD ID318147
Data Updated2026-04-11
Research

Research Evidence

566
Research Sources
56
Avg Quality
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 PubMed DOI
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 PubMed DOI
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 PubMed DOI
A Serum or plasma ferritin concentration as an index of iron deficiency and overload
Meta Analysis The Cochrane database of systematic reviews 2021 PubMed DOI
A Non-invasive diagnostic tests for Helicobacter pylori infection
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Hypoxia-inducible factor stabilisers for the anaemia of chronic kidney disease
Meta Analysis The Cochrane database of systematic reviews 2022 PubMed DOI
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 PubMed DOI
A Fortification of condiments and seasonings with iron for preventing anaemia and improving health
Meta Analysis The Cochrane database of systematic reviews 2023 PubMed DOI
A Screening and Supplementation for Iron Deficiency and Iron Deficiency Anemia During Pregnancy: US Preventive Services Task Force Recommendation Statement.
Guideline JAMA 2024 PubMed DOI
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 PubMed DOI
View all evidence for Iron →
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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.