Klean Iron

Optimal iron levels in athletes have been associated with muscle strength and athletic performance, in addition to supporting cognitive function & healthy sleep. Klean Iron supplies 27 mg of iron from iron carbonyl to help support these key areas of focus utilizing excellent bioavailability & low toxicity for a well-tolerated delivery form.‡
Douglas Laboratories' logo, text, trademarks, graphics, and photo images are the property of Douglas Laboratories, LLC and are used with permission. Copyright © 2026.
*FDA Disclaimer: The information about this product and statements made are provided by the manufacturer, except customer reviews which are not evaluated. See www.douglaslabs.com for information about the relationship between this product and any claims made. Results may vary from person to person based on body size and other factors, and the effectiveness is not guaranteed for you. Always seek the advice of your healthcare professional about taking dietary, nutritional, herbal or homeopathic supplements.
Supplement Facts
| Amount Per Serving | |
| Serving Size 1 Tablet • Servings Per Container 90 | |
| Iron | 27 mg |
| (as Ferronyl®, iron carbonyl) | |
| Other ingredients: Microcrystalline cellulose, ethylcellulose, stearic acid, vegetable stearate, silica and coating (hypromellose, glycerin) | |
| Ferronyl® is a registered trademark of Ashland Inc. | |
Optimal iron levels in athletes have been associated with muscle strength and athletic performance, in addition to supporting cognitive function & healthy sleep. Klean Iron supplies 27 mg of iron from iron carbonyl to help support these key areas of focus utilizing excellent bioavailability & low toxicity for a well-tolerated delivery form.‡
Douglas Laboratories' logo, text, trademarks, graphics, and photo images are the property of Douglas Laboratories, LLC and are used with permission. Copyright © 2026.
*FDA Disclaimer: The information about this product and statements made are provided by the manufacturer, except customer reviews which are not evaluated. See www.douglaslabs.com for information about the relationship between this product and any claims made. Results may vary from person to person based on body size and other factors, and the effectiveness is not guaranteed for you. Always seek the advice of your healthcare professional about taking dietary, nutritional, herbal or homeopathic supplements.
Supplement Facts
| Amount Per Serving | |
| Serving Size 1 Tablet • Servings Per Container 90 | |
| Iron | 27 mg |
| (as Ferronyl®, iron carbonyl) | |
| Other ingredients: Microcrystalline cellulose, ethylcellulose, stearic acid, vegetable stearate, silica and coating (hypromellose, glycerin) | |
| Ferronyl® is a registered trademark of Ashland Inc. | |