Manganese for fertility

On this page

1. What is manganese?
2. Function and how it works
3. Fertility benefits
4. Recommended daily dose
5. Food sources
6. Cautions and contraindications
7. My Fertility Guide
8. Related pages

1. What is manganese?

Manganese is an essential trace element involved in the activity of many enzymes. It plays roles in the production of fertility hormones, antioxidant defence, blood clotting and the metabolism of carbohydrates and amino acids. A deficiency is related to symptoms that overlap with TCM Blood deficiency — poor memory, brittle nails and hair, and infertility.

Reference ranges and recommended intakes vary from country to country — always interpret guidance against the recommendations of your own healthcare authority.

2. Function and how it works

Manganese supports fertility through:

1. Hormone production. Manganese is involved in the synthesis of fertility hormones, including those produced by the ovaries.
2. Antioxidant defence. Manganese is part of mitochondrial superoxide dismutase (Mn-SOD), an antioxidant enzyme that protects cellular energy production from oxidative damage.
3. Blood clotting. Manganese contributes to normal coagulation, working with vitamin K.
4. Bone formation. Manganese is required for the formation of bone matrix.
5. Cartilage and connective tissue. Manganese supports the production of glycosaminoglycans, important in joint and reproductive tissue health.

3. Fertility benefits

Adequate manganese supports hormone production, antioxidant defence and the cellular energy production needed for healthy egg and sperm cells. Most people obtain enough manganese from food, but it is included in good prenatal supplements as part of a comprehensive approach.

4. Recommended daily dose

I recommend a daily dose of 2 mg of manganese, typically obtained as part of a good-quality prenatal supplement.

5. Food sources

Manganese is found in:

1. Whole grains (brown rice, oats)
2. Black tea
3. Nuts and seeds (especially hazelnuts and pecans)
4. Pineapple
5. Green leafy vegetables
6. Beans and pulses
7. Eggs
8. Milk

6. Cautions and contraindications

1. Manganese is generally well-tolerated at dietary doses.
2. High doses (above 11 mg per day long-term) can affect the nervous system — do not exceed recommended doses without medical supervision.
3. People with chronic liver disease may accumulate manganese and should be cautious about supplementation.
4. Always consult with a fertility specialist or your doctor before starting any new supplement regime.

7. My Fertility Guide

8. Related pages

• Fertility supplements directory
• Zinc
• Vitamin K
• Iron
• Copper