Net Contents
60 Tablet(s)
Serving Size
1 Tablet(s)
Servings Per Container
60
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
Not specified
Product Version
Not Present
Label Analysis
Objective insights generated automatically from the official DSLD label — a quick, factual read of how this product is formulated and disclosed.
Single-ingredient formula listed in Supplement Facts.
Every active ingredient discloses a specific amount per serving.
1 ingredients report a %DV; 1 meet or exceed 100% DV.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Allergen Guide
Free From
- Soy
Allergen flags are parsed automatically from the official label's claims and statements. Always verify against the physical product label before use, especially if you have a severe allergy.
Supplement Facts
Serving Size: 1 Tablet(s) · 1 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Iron(Ferrous Sulfate) | 50 mg | 280% |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: Adults - Take one tablet daily, preferably with food, as a dietary supplement.
Warnings & Precautions
Precautions re: All Other
Caution: The treatment of any anemic condition should be under the advice and supervision of a physician. Iron-containing medication may occasionally cause constipation or diarrhea.
Precautions re: Pregnant or Nursing or Prescription Medications
Since oral iron products interfere with absorption of oral tetracycline antibiotics, these products should not be taken within two hours of each other.
Precautions re: All Other
Do not exceed recommended dosage.
Precautions re: Pregnant or Nursing or Prescription Medications
If you are pregnant, nursing, taking any medications or have any medical condition, consult your physician if any adverse reactions occur.
Precautions re: Children
Warning: Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose, call a doctor or poison control center immediately. Poison control center 1-800-222-1222
Precautions re: All Other
Tamper-Evident Seal: Do not use product if seal appears tampered.
Storage
Storage
Store in a dry place under controlled room temperature: 20 degrees - 25 degrees C (68 degrees - 77 degrees F).
Formulation
Formulation re: Other
May support red blood cell formation
Formulation re: Does NOT Contain
Guaranteed no added: Sugar, starch, sodium, yeast, soy, corn, wheat, dairy, fish, tree nuts, peanuts, egg, fragrance, artificial flavors, preservatives.
Formulation re: Does NOT Contain
Soy free
FDA Statements
FDA Statement of Identity
Dietary Supplement
FDA Disclaimer Statement
This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Other Label Statements
Brand IP Statement(s) re: (c), (TM), (SM)
Mason Natural is a registered trademark and does not refer to any product or ingredient claim.
Brand IP Statement(s) re: (c), (TM), (SM)
Mason Natural Est. 1967
Manufacturer & Distributor
Distributor
Mason Vitamins, Inc.
Miami Lakes, FL, 33014
1-888-860-5376
Market Reference
Mason Natural Slow Release Iron Tablets
Walmart - Thrifty White Health4.4(49)$8.28(3 pack) Mason Natural Slow Release Iron (Ferrous Sulfate) - High Potency, 60 Tablets, 50 mg, Size: 60 Tabs
Walmart - Nutrients Best, a Mason Natural Certified Vendor$18.39Mason Natural Iron 65 mg Tablets
Walmart - Nutrients Best, a Mason Natural Certified Vendor4.6(157)$8.99Mason Natural Slow Release Iron (Ferrous Sulfate) - Supports Red Blood Cell Formation, Gentle on Stomach, High Potency Iron Supplement, 60 Tablets (
GoSupps.com4.4(49)$44.99Mason Natural Slow Release Iron 50mg Tablets 60ct (1-3 unit)
HealthWarehouse.com$11.00Mason Iron Tablets
Mason Natural4.9(841)$8.99Mason Natural Slow Release Iron Tablets 60 ea (Pack of 4)
Walmart - Pharma Frills$32.92Slow Fe Slow Release Iron
Target4.5(774)$18.99
Where to Buy Locally
Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.
Showing representative supplement & health retailers — search above for stores in your area.
Big Bear Store Ltd
4.9 (111)Vitamin & Supplements Shop
2B Wilmslow Rd, Greater, Manchester M14 5TP
Holland & Barrett - Manchester St Anns
4.5 (44)Vitamin & Supplements Shop
22 St Anns Square, Manchester M2 7JB
Vitamin Store Salford
4.9 (143)Vitamin & Supplements Shop
Unit 2 Broughton Rd, Manchester, Salford M6 6GG
Health Supplements Direct
4.0 (4)Vitamin & Supplements Shop
57, 63 Cheetham Hill Rd, Cheetham Hill, Manchester M8 8FS
Silver Sage Health & Nutrition
5.0 (18)Health food shop
9 Hulme High St, Hulme, Manchester M15 5JR
SuppCity
4.9 (13)Vitamin & Supplements Shop
46 Bury New Rd, Cheetham Hill, Manchester M8 8EL
Empire Supplements
4.8 (44)Vitamin & Supplements Shop
893 Stockport Rd, Manchester M19 3PG
Ultimate regime
2.9 (11)Vitamin & Supplements Shop
153 Great Ducie St, Cheetham Hill, Manchester M3 1FB
Research & Studies
Novel flaxseed gum nanocomposites are slow release iron supplements
S Liang, Y Huang, YY Shim, X Ma… - Journal of agricultural …, 2018 - ACS Publications
… iron release kinetics of the nanocomposites in simulated gastric fluid (SGF) were investigated. On the basis of the results obtained in this study, we will develop novel iron supplements …
201824 citationsThe unique kinetics of iron release from transferrin: the role of receptor, lobe–lobe interactions, and salt at endosomal pH
…, ND Chasteen, AN Steere, AB Mason - Journal of Molecular …, 2010 - Elsevier
… The capture and unambiguous assignment of all kinetic events associated with iron release … balanced iron release from both lobes of hTF during one endocytic cycle. For the first time, …
201076 citationsIron supplementation and iron-fortified foods: a review
Y Man, T Xu, B Adhikari, C Zhou, Y Wang… - Critical Reviews in …, 2022 - Taylor & Francis
… , the absorption and release of the iron in the human body … iron; thus, dietary iron supplements can redress this imbalance. Thus, consumption of iron-fortified foods can promote health …
2022168 citationsOral and intravenous iron therapy
AU Steinbicker, K Pantopoulos - Iron Metabolism in Human Health and …, 2025 - Springer
… Slow-release forms are also available; however, they are less effective due to delayed iron release. Ferric complexes, while slower to absorb, can also increase hemoglobin and iron …
20258 citationsIron bioavailability from commercially available iron supplements
T Christides, D Wray, R McBride, R Fairweather… - European journal of …, 2015 - Springer
… , inadequate iron status is also a significant public health … different iron tablet formulations; FeSO 4 conventional-release … this was associated with the highest iron uptake in the in vitro …
201547 citationsIron stores of normal adults and replenishment with oral iron therapy
JA Pritchard, RA Mason - Jama, 1964 - jamanetwork.com
… time of this study, none of the group of ten normal female and three normal male vol¬ unteers selected for measurement of iron … This study was supported in part by Public Health Service …
1964101 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-09-22. DSLD Label ID: 276922. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.
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