Klean Iron™
Klean Iron(TM) supplies 27 mg of iron from Ferronyl(R) iron carbonyl in a well-tolerated tablet format. It is designed for athletes and active adults who want iron support for optimal iron levels associated with muscle strength, athletic performance, cognitive function, and healthy sleep.
Overview
Klean Iron(TM) is a clean iron tablet supplying 27 mg of iron from Ferronyl(R) iron carbonyl to support optimal iron levels in athletes and
active adults.
Benefits
Supports iron status, oxygen transport, muscle strength, athletic performance, cognitive function, and healthy sleep when iron support is appropriate.
Who It Is For
Best fit for athletes, active adults, endurance training, menstruating athletes, plant-forward diets, and customers advised to support iron levels by a qualified professional.
How to Use
Adults take 1 tablet daily without food, or as directed by a coach, trainer, or healthcare professional.
Quality + Purity
Klean Iron(TM) is NSF Certified for Sport and labeled gluten free, GMO free, vegan, and vegetarian. The formula uses Ferronyl(R) iron carbonyl.
$19.00 — or Original price was: $19.00.$18.05Current price is: $18.05. / month
Why We Like This Product
27 mg Iron Support
A clear 27 mg serving from iron carbonyl for customers who need targeted iron support.
Ferronyl(R) Iron Carbonyl
Uses Ferronyl(R), an iron carbonyl form positioned for excellent bioavailability, low toxicity, and tolerability.
Athlete-Focused Formula
Designed around iron levels associated with muscle strength, athletic performance, cognitive function, and healthy sleep.
Clean Tablet Format
Straightforward once-daily tablet without flavored powders, sugars, or complicated mixing.
NSF Certified for Sport
Strong trust signal for athletes, coaches, trainers, and customers who care about banned-substance screening.
Description
Optimal iron levels in athletes have been associated with muscle strength and athletic performance, in addition to supporting cognitive
function and healthy sleep. Klean Iron(TM) supplies 27 mg of iron from iron carbonyl to help support these key areas of focus using a
bioavailable, low-toxicity, well-tolerated delivery form.
Iron is an essential mineral involved in oxygen transport and red blood cell support. For active adults, endurance athletes, menstruating athletes, and customers with higher iron demands, a simple iron tablet can be a practical part of a nutrition plan when iron support is appropriate.
For Kingston Nutrition, Klean Iron(TM) fits a clean performance and foundational wellness routine because it is NSF Certified for Sport
and labeled gluten free, GMO free, vegan, and vegetarian. The formula uses Ferronyl(R) iron carbonyl and keeps the ingredient list straightforward.
Suggested use: adults take 1 tablet daily without food, or as directed by a coach, trainer, or healthcare professional. Iron supplementation should be used thoughtfully; customers with known health conditions, pregnancy, medication use, or uncertainty about iron status should consult a healthcare professional before use.
FAQ
Clinical / Quality / Testing
NSF Certified for Sport
Klean states that Klean Iron is tested and certified by the NSF Certified for Sport program. This is an important trust signal for athletes and customers who want banned-substance screening and content verification.
Iron Status + Performance Support
Klean Iron supplies 27 mg of iron from iron carbonyl to support optimal iron levels, which are associated with muscle strength, athletic performance, cognitive function, and healthy sleep.
Clean Formula Standards
The product is labeled gluten free, GMO free, vegan, and vegetarian. It uses Ferronyl(R) iron carbonyl in a simple tablet format.
Supplement Facts & Ingredients
Plain-text supplement facts
- Serving size: 1 tablet
- Servings per container: 90
- Iron: 27 mg
- Iron form: Ferronyl(R), iron carbonyl
- Other ingredients: Microcrystalline cellulose, ethylcellulose, stearic acid, vegetable stearate, silica, and coating (hypromellose, glycerin)
- Ferronyl(R) is a registered trademark of Ashland Inc.
- Suggested Usage: 1 tablet daily without food
How to Use
Daily serving
Adults take 1 tablet daily without food, or as directed by a coach, trainer, or healthcare professional.
Timing
Take consistently according to label directions. If digestive sensitivity occurs, discuss timing and dosing with a healthcare professional.
Professional guidance
Iron needs vary by diet, sex, training load, blood loss, and lab values. Customers should avoid unnecessary iron supplementation and seek professional guidance when unsure.
Storage
Store in a cool, dry place away from direct light. Keep out of reach of children. Use only if safety seal is intact.
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. If pregnant, nursing, taking medication, or managing a health condition, consult a healthcare professional before use.
Why Iron Status Matters for Active People
Iron supports oxygen transport and red blood cell function, which are important for training capacity and recovery. For athletes and active
adults with increased needs or low intake, Klean Iron(TM) provides targeted iron support in a clean, athlete-focused tablet. The best use
case is not random supplementation; it is smart support when diet, training demands, symptoms, or lab work suggest iron may be worth
discussing with a qualified professional.
Get Personalized Nutrition Guidance
Not sure whether iron belongs in your routine? Ask Kingston Nutrition for guidance based on your diet, training load, supplement stack, symptoms, and whether lab testing or medical guidance should come first.

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