Net Contents
30 Film Coated Tablet(s)
Serving Size
1 Tablet(s)
Servings Per Container
Not specified
Supplement Form
Tablet or Pill
Bar Code (UPC/SKU)
0 0536 3481 07 7
Product Version
R1210 355R
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.
Label states: Gluten-Free.
This analysis is generated algorithmically from label data for educational reference only. It is not a product endorsement, ranking, or medical advice.
Supplement Facts
Serving Size: 1 Tablet(s) · 1 per day
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Iron(ferrous sulfate) | 45 mg | 250% |
Not Present
Other Ingredients
Target Groups
Label Claims
Directions & Suggested Use
Suggested/Recommended/Usage/Directions
Directions: Tablets must be swallowed whole. Adults: one tablet daily or as recommended by your doctor.
Suggested/Recommended/Usage/Directions
To Open: Bend, tear at perforation. Peel from unsealed corner.
Warnings & Precautions
Precautions re: Pregnant or Nursing or Prescription Medications
Drug Interaction Precaution: 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: 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 physician or poison control center immediately.
Precautions re: All Other
EACH TABLET IS SAFETY SEALED. DO NOT USE IF BLISTER OR FOIL IS BROKEN OR MISSING.
Precautions re: All Other
Warnings: The treatment of any anemic condition should be under the advice and supervision of a doctor. Occasional gastrointestinal discomfort (such as nausea) may be minimized by taking with meals. Iron-containing medication may occasionally cause constipation or diarrhea.
Precautions re: Children
Not intended for use in children.
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.
Storage
Storage
Store at 20(0)-25(0) (68(0)-77(0)F). Do not expose to excessive heat or moisture.
Formulation
Formula re: Contains
NOTE: Each 140 mg extended release tablet of ferrous sulfate supplies 45 mg of ELEMENTAL IRON.
Formulation re: Does NOT Contain
Free of sugar, sodium, gluten, preservatives, yeast, milk, artificial flavors.
FDA Statements
FDA Statement of Identity
IRON SUPPLEMENT
Other Label Statements
Brand IP Statement(s) re: (c), (TM), (SM)
COMPARE TO THE IRON IN SLOW FE(R)
General Statements: All Other Content
New Strength
Seals/Symbols
Rugby SATISFACTION GUARANTEED OR YOUR MONEY BACK
General Statements: All Other Content
(2 x 15 blisters)
Brand IP Statement(s) re: (c), (TM), (SM)
Rugby Laboratories, Inc. is not affiliated with the owner of the trademark SLOW FE(R).
General Statements: All Other Content
Ferrous Sulfate, Extended Release is distributed by Rugby Laboratories, Inc.
General Statements: All Other Content
6
General Statements: All Other Content
Questions or comments? Call 1-800-645-2158, weekdays 9 am-5 pm ET
General Statements: All Other Content
Questions or comments? Call 1-800-645-2158, weekdays 9 am-5 pm ET
General: Product/Version Code
R1210 355R
Manufacturer & Distributor
Other
1-800-645-2158
Manufacturer
Rugby(R)
DULUTH, GEORGIA, 30097
Market Reference
Breckenridge Ferrex 150 Plus Capsules
eBay - otchealthcare20135.0(4)$94.99Nutricost Iron Tablets
Nutricost4.7(268)$15.97Ferrous Sulfate Drops 50ml
Mountainside Medical Equipment4.4(9)$9.79Breckenridge Ferrex 150 Forte Capsules
The Spa of Charleston4.6(10)$15.99Ferrex 150 Forte Plus Iron Supplement
eBay - herbsproonline$118.37Ferrous Sulfate ER 140 mg Tab 140 mg 30 By Major Pharma/Rugby USA
AmericanPharmaWholesale.com$5.63LowestIron Slow Release Formula Tab 60ct 21st X 2 Bottles
eBay - volfan374154.7(1000)$16.673 Pack Rugby Ferrous Sulfate Iron Tablets 325mg 100 Count Each Exp
eBay - sdsonlinesales144.7(26)$17.95
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.
CVS
3.0 (87)Vitamin & supplements store
2500 Lebanon Pike, Nashville, TN 37214
Walmart Supercenter
4.1 (2359)Department store
2988 Burkesville Rd, Columbia, KY 42728
CVS
3.5 (137)Vitamin & supplements store
735 Harding Pl, Nashville, TN 37211
CVS
3.1 (111)Vitamin & supplements store
14299 Old Nashville Hwy, Smyrna, TN 37167
CVS Pharmacy
4.1 (33)Pharmacy
780 Old Hickory Blvd, Brentwood, TN 37027
CVS Pharmacy
4.1 (38)Pharmacy
3171 Lebanon Pike, Nashville, TN 37214
Research & Studies
The role of mineral and trace element supplementation in exercise and athletic performance: a systematic review
SM Heffernan, K Horner, G De Vito, GE Conway - Nutrients, 2019 - mdpi.com
… either a low dose of 100 mg of ferrous sulphate or placebo [72]. The … on Ca homeostasis during exercise in healthy active … Four weeks of 500 mg·day −1 of Mg in an amateur rugby union …
2019212 citationsA comprehensive review of the physiology and evidence base to guide the use of ergogenic and medical supplements for enhanced cycling performance
A Rowland, S Edwards… - Journal of the …, 2026 - fisiologiadelejercicio.com
… When deficiency is confirmed, oral iron supplements such as ferrous sulphate (100 to 200 mg/day) can replenish iron stores and reverse performance deficits. Absorption of oral …
20261 citationsEfficacy of dietary supplements on sports performance outcomes: a systematic review of evidence in elite athletes
T Yu, C Ding - Frontiers in Nutrition, 2025 - frontiersin.org
… supplement (54) while Vitamin D and Ferrous sulfate (iron) … However, acute beetroot juice supplementation (70–140 ml … vitamin D supplementation in professional rugby players, where …
20256 citationsAthletic induced iron deficiency: new insights into the role of inflammation, cytokines and hormones
P Peeling, B Dawson, C Goodman, G Landers… - European journal of …, 2008 - Springer
… iron repletion phase, with a diet containing 0.25 mmol of iron for each 8.3 MJ of food consumed, and an additional ferrous sulfate supplement of 0.9 mmol of iron … 10 healthy individuals …
2008460 citationsOral ferrous sulphate supplementation has greater efficacy, but lower tolerance than iron (III)-hydroxide polymaltose complexes in exercising women with low iron …
AKA McKay, S Broome, N Tee, KL Yim, M Sim… - Clinical Nutrition, 2026 - Elsevier
… of ferrous sulphate (FS) 33 and iron (III)-hydroxide polymaltose complex (IPC) supplementation … This suggests that guidelines for iron 396 supplementation in (otherwise) healthy women …
2026Optimizing performance nutrition for adolescent athletes: A review of dietary needs, risks, and practical strategies
S Everett - Nutrients, 2025 - mdpi.com
… for healthcare providers working with such individuals. … For instance, Lehmann et al. reported that adolescent rugby players … Ferrous salts, such as ferrous sulfate, ferrous fumarate, and …
202528 citations
Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2012-10-25. DSLD Label ID: 14503. 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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