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Iron لـ Exercise Performance for Weight Loss

C الأدلة أدلة محدودة من دراسات صغيرة، غير أن ثمة بعض الإشارات الإيجابية.

Iron deficiency without anemia reduces exercise capacity by impairing oxygen transport and mitochondrial function. Correction of deficiency improves VO2max and exercise tolerance. Iron deficiency affects 15-30% of obese individuals.

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الخلاصة

Iron deficiency without anemia reduces exercise capacity by impairing oxygen transport and mitochondrial function. Correction of deficiency improves VO2max and exercise tolerance. Iron deficiency affects 15-30% of obese individuals.

Key Study Findings

Randomized Controlled Trial n=12 12 weeks
Effect of a 12-week nutritional intervention in the food intake of patients on the waiting …
Dose: 5 g/kg مقابل: None Outcome: Cholesterol levels التأثير: None p = 0.03

المجتمع المدروس: Diabetes patients

Randomized Controlled Trial
Effects of a low-protein nutritional formula with dietary counseling in older adults with chronic kidney …
Dose: 6% l مقابل: control Outcome: folate status التأثير: None None

المجتمع المدروس: Chronic kidney disease (ckd)

Other 2.0 weeks
The effect of bovine colostrum supplementation on intestinal injury and circulating intestinal bacterial DNA following …
Dose: 20 g/day مقابل: Placebo Outcome: Intestinal permeability التأثير: None p=0.005

المجتمع المدروس: None

Review
Nutritional Considerations for the Vegetarian and Vegan Dancer.
Dose: None مقابل: None Outcome: Nutritional adequacy for vegetarian dancers التأثير: None None

المجتمع المدروس: Vegetarian and vegan dancers

Review
Nonhematological benefits of iron.
Dose: None مقابل: Placebo التأثير: None None

Key Statistics

22

الدراسات

2000

المشاركون

Positive

C

التقييم

Referenced Papers

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

الجرعات الشائعة

general:
8-18 mg/day (RDA)
menstruatingwomen:
18 mg/day
deficiencycorrection:
100-200 mg elemental iron/day under medical guidance

الحد الأعلى: 45 mg/day (elemental iron); excess iron increases oxidative stress

الجرعات المدروسة في الأبحاث

الجرعة المدة التأثير ن
5 g/kg 12 weeks Positive 12
6% l -- Mixed --
20 g/day 2.0 weeks Positive --
None -- Mixed --
None -- Positive --

أفضل وقت للتناول: On empty stomach with vitamin C for absorption; avoid with calcium, coffee, tea

Safety & Side Effects

الآثار الجانبية المُبلّغ عنها

  • Constipation
  • Nausea
  • Stomach pain
  • Black stools
  • Oxidative stress (excess iron)

التفاعلات المعروفة

  • Levothyroxine (reduced absorption — take 4 hours apart)
  • Tetracycline antibiotics (reduced absorption)
  • Calcium supplements (reduced absorption)
  • Proton pump inhibitors (reduced absorption)

الحد الأقصى المسموح به: 45 mg/day (elemental iron); excess iron increases oxidative stress

استشر مقدم الرعاية الصحية دائماً قبل البدء بأي مكمل غذائي.

Frequently Asked Questions

Does Iron help with Exercise Performance for Weight Loss?
Based on 22 studies with 2,000 participants, there is limited but promising evidence that Iron may support Exercise Performance for Weight Loss management. Our evidence grade is C (Some Evidence).
How much Iron should I take for Exercise Performance for Weight Loss?
Studies have used various dosages. A commonly studied range is 8-18 mg/day (RDA). Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Iron?
Reported side effects may include Constipation, Nausea, Stomach pain, Black stools. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Iron and Exercise Performance for Weight Loss?
We rate the evidence as Grade C (Some Evidence). This rating is based on 22 peer-reviewed studies with 2,000 total participants. The overall direction of effect is positive.

References

  1. [1] Samanta Catherine Ferreira et al.. Clin Nutr. 2024. Effect of a 12-week nutritional intervention in the food intake of patients on the waiting list for liver transplantation: A … doi:10.1016/j.clnu.2024.03.023 PubMed
  2. [2] Wen-Ching Yang et al.. BMC Nephrol. 2023. Effects of a low-protein nutritional formula with dietary counseling in older adults with chronic kidney disease stages 3-5: a randomized … doi:10.1186/s12882-023-03423-8 PubMed
  3. [3] Julien Beatrix et al.. Eur J Clin Nutr. 2022. Non-anemic iron deficiency: correlations between symptoms and iron status parameters. doi:10.1038/s41430-021-01047-5 PubMed
  4. [4] Daniel S March et al.. Eur J Nutr. 2019. The effect of bovine colostrum supplementation on intestinal injury and circulating intestinal bacterial DNA following exercise in the heat. doi:10.1007/s00394-018-1670-9 PubMed
  5. [5] Derrick D Brown. J Dance Med Sci. 2018. Nutritional Considerations for the Vegetarian and Vegan Dancer. doi:10.12678/1089-313X.22.1.44 PubMed
  6. [6] Rajiv Agarwal. Am J Nephrol. 2007. Nonhematological benefits of iron. doi:10.1159/000107927 PubMed
  7. [7] Greg Atkinson et al.. Sports Med. 2003. The relevance of melatonin to sports medicine and science. doi:10.2165/00007256-200333110-00003 PubMed

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