🟢 99/100

This product looks safe

  • Folate: 667mg is 667.0× the Tolerable Upper Intake Level (1.0mg)
  • 74% of ingredients have research evidence
C Label Compliance Grade

Product Label

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Safety Alerts

⚠️ Folate: 667mg is 667.0× the Tolerable Upper Intake Level (1.0mg)

Label Data

1 Caplet(s) Serving Size
Other Combinations Product Type
74% Evidence Coverage

Supplement Facts — Evidence Check

Vitamin A
600 mcg RAE (70% DV)
Vitamin C
69 mg (80% DV)
25 mcg (130% DV)
✅ 1.7× RDA — within safe limits 📚 604 studies (Tier A: 16, B: 251)
RDA 0.015mg This product: 0.025mg UL 0.1mg
22.5 mg (150% DV)
✅ 1.5× RDA — within safe limits 📚 177 studies (Tier A: 3, B: 90)
RDA 15mg This product: 22.5mg UL 1000mg
30 mcg (25% DV)
✅ Within RDA (0.2× RDA of 0.12 mg) 📚 273 studies (Tier A: 9, B: 175)
RDA 0.12mg This product: 0.03mg
1.5 mg (130% DV)
✅ 1.2× RDA — within safe limits 📚 76 studies (Tier A: 0, B: 33)
RDA 1.2mg This product: 1.5mg
1.7 mg (130% DV)
✅ 1.3× RDA — within safe limits 📚 12 studies (Tier A: 0, B: 1)
RDA 1.3mg This product: 1.7mg
20 mg NE (130% DV)
✅ 1.4× RDA — within safe limits 📚 193 studies (Tier A: 5, B: 63)
RDA 14mg This product: 20mg UL 35mg
3 mg (180% DV)
✅ 2.3× RDA — within safe limits 📚 113 studies (Tier A: 3, B: 35)
RDA 1.3mg This product: 3mg UL 100mg
667 mcg DFE (170% DV)
⚠️ Exceeds Tolerable Upper Intake Level by 667.0× (UL: 1.0 mg) 📚 225 studies (Tier A: 10, B: 105)
RDA 0.4mg This product: 667mg UL 1.0mg
25 mcg (1040% DV)
📊 10.4× RDA — above typical dose 📚 138 studies (Tier A: 1, B: 44)
RDA 0.0024mg This product: 0.025mg
30 mcg (100% DV)
✅ Within RDA (1.0× RDA of 0.03 mg) 📚 26 studies (Tier A: 0, B: 11)
RDA 0.03mg This product: 0.03mg
10 mg (200% DV)
✅ 2.0× RDA — within safe limits 📚 1 studies — no high-quality reviews
RDA 5mg This product: 10mg
Calcium
220 mg (15% DV)
20 mg (2% DV)
📊 Market median: 99.0mg (503 products) 📚 12 studies (Tier A: 0, B: 3)
RDA 700mg This product: 20mg UL 4000mg
150 mcg (100% DV)
✅ Within RDA (1.0× RDA of 0.15 mg) 📚 243 studies (Tier A: 4, B: 133)
RDA 0.15mg This product: 0.15mg UL 1.1mg
50 mg (10% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 50mg
11 mg (100% DV)
✅ Within RDA (1.0× RDA of 11 mg) 📚 258 studies (Tier A: 6, B: 134)
RDA 11mg This product: 11mg UL 40mg
19 mcg (35% DV)
✅ Within RDA (0.3× RDA of 0.055 mg) 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.019mg UL 0.4mg
0.5 mg (60% 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
2.3 mg (100% DV)
✅ Within RDA (1.0× RDA of 2.3 mg) 📚 8 studies — no high-quality reviews
RDA 2.3mg This product: 2.3mg UL 11mg
50 mcg (140% DV)
✅ 1.4× RDA — within safe limits 📚 197 studies (Tier A: 1, B: 55)
RDA 0.035mg This product: 0.05mg
45 mcg (100% DV)
✅ Within RDA (1.0× RDA of 0.045 mg) 📚 2 studies — no high-quality reviews
RDA 0.045mg This product: 0.045mg UL 2mg
72 mg (4% DV)
📊 Market median: 4002.0mg (1 products) 📚 20 studies (Tier A: 0, B: 2)
This product: 72mg
Potassium
80 mg (2% DV)
250 mcg
📊 Market median: 10.0mg (105 products) 📚 1 studies (Tier A: 0, B: 1)
This product: 0.25mg
300 mcg
📊 Market median: 10.0mg (35 products) 📚 5 studies (Tier A: 0, B: 2)
This product: 0.3mg

Other Ingredients

Microcrystalline Cellulose Stearic Acid Croscarmellose Sodium Hydroxypropyl Cellulose Vegetable Magnesium Stearate Silicon Dioxide Ascorbyl Palmitate Titanium Dioxide Glyceryl Triacetate FD&C Blue #2 FD&C Yellow #6 FD&C Red #40 Tocopherols Maltodextrin modified Corn Starch Alginate Acacia Gum Pea Starch Rosemary extract

Label Claims — Verification

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

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Directions: Adults - Take one caplet daily, preferably with food, as a dietary supplement.

⚠️ Warnings & Precautions

Caution: If you are pregnant, nursing, taking any medications or have any medical condition, consult your physician before use. Some supplements may interact with certain medications and/or interfere with certain lab tests.

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

Keep out of reach of children.

Tamper-Evident Seal: Do not use product if seal appears tampered.

🧪 Formulation Notes

May Support general wellness

Guaranteed no added: Yeast, soy, wheat, dairy, fish, tree nuts, peanuts, egg, fragrance, artificial flavors, crustacean shellfish, animal products. Sodium free.

Soy free

Manufactured in the USA for: Mason Vitamins, Inc.

Additional Information

Mason guarantee Laboratory Tested cGMP Certified Good Manufacturing Practice

Certified N Mason natural Est. 1967 New

Smaller pill

Store in a dry place under controlled room temperature: 20 degrees - 25 degrees C (68 degrees - 77 degrees F).

Please recycle

Product Details

UPC / SKU 3 11845 18151 0
DSLD Entry Date 2021-04-22
Product Type Other Combinations
Form Other (e.g. tea bag)
DSLD ID 244966
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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