Norethindrn A-E Estradiol-Iron

Drug Information

Summary of Interactions with Vitamins, Herbs, & Foods

What Are Nutrient Interactions
Types of interactions: Beneficial Adverse Check

Replenish Depleted Nutrients

  • Manganese

    Oral contraceptives may interfere with manganese absorption. The clinical importance of these actions remains unclear.

Reduce Side Effects

  • none

Support Medicine

  • none

Reduces Effectiveness

  • none

Potential Negative Interaction

  • Zinc

    In a group of 37 postmenopausal women treated with conjugated estrogens and medroxyprogesterone for 12 months, urinary zinc and magnesium loss was reduced in those women who began the study with signs of osteoporosis and elevated zinc and magnesium excretion. The clinical significance of this interaction remains unclear.

Explanation Required 

  • Vitamin A

    A review of literature suggests that women who use oral contraceptives may experience decreased vitamin B1, B2, B3, B12, C, and zinc levels. Oral contraceptive use has been associated with increased absorption of calcium and copper and with increased blood levels of copper and vitamin A. Oral contraceptives may interfere with manganese absorption. The clinical importance of these actions remains unclear.

The Drug-Nutrient Interactions table may not include every possible interaction. Taking medicines with meals, on an empty stomach, or with alcohol may influence their effects. For details, refer to the manufacturers’ package information as these are not covered in this table. If you take medications, always discuss the potential risks and benefits of adding a new supplement with your doctor or pharmacist.
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