Safe Supplements for Fertility: Managing Arginine and Maca Intake - Pharmacology

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Recently, my husband and I have been trying to conceive, so we are considering taking some supplements to maintain our health (his job requires a lot of physical labor).
Currently, I have him taking arginine and B vitamins with zinc and vitamin C in the morning, and fish oil in the evening.
Occasionally, he takes probiotics, but he mentioned that taking arginine makes him feel dizzy and uncomfortable.
I only give him the lowest dose of 500 mg, but he still feels unwell.
Could this be due to taking it together with B vitamins, zinc, and vitamin C? Because of his work schedule, we take everything together before heading out.
If we switch from arginine to maca, can maca be taken simultaneously with B vitamins and zinc? Thank you.

Hannah, 20~29 year old female. Ask Date: 2016/05/10

Dr. Hu Limin reply Pharmacology


Vitamins do have recommended daily allowances, and it is advisable to consult with an obstetrician-gynecologist to assess the body's needs for dietary supplements in relation to fertility.

Reply Date: 2016/05/10

More Info


When considering supplements for fertility, it's important to understand how different substances interact with each other and their potential effects on health. In your case, you are currently giving your husband arginine, B vitamins, zinc, and vitamin C in the morning, and fish oil in the evening, with occasional probiotics. You mentioned that he experiences dizziness and discomfort when taking arginine, even at the lowest dose of 500 mg.
Arginine is an amino acid that plays a role in various bodily functions, including blood flow and hormone regulation. While it can be beneficial for improving circulation and potentially enhancing fertility, some individuals may experience side effects such as dizziness, gastrointestinal discomfort, or headaches, especially when taken in conjunction with other supplements. The combination of arginine with B vitamins, zinc, and vitamin C may not inherently cause adverse effects, but individual responses can vary. It’s essential to monitor how he feels and consider adjusting the timing or dosage of these supplements.

If your husband is experiencing discomfort with arginine, switching to maca root may be a viable alternative. Maca is a Peruvian root vegetable known for its potential benefits in enhancing fertility, libido, and overall energy levels. It is generally considered safe and well-tolerated, and there are no known significant interactions with B vitamins or zinc. Therefore, taking maca alongside B vitamins and zinc should not pose any issues.
However, it’s crucial to introduce any new supplement gradually and observe how his body reacts. Starting with a lower dose of maca and increasing it as tolerated can help minimize any potential side effects. Maca is often available in powder or capsule form, and the recommended dosage can vary, so it’s advisable to follow the instructions on the product label or consult with a healthcare professional for personalized guidance.

In addition to considering these supplements, it’s also important to focus on a well-rounded diet rich in whole foods, including fruits, vegetables, whole grains, lean proteins, and healthy fats. This dietary approach can provide essential nutrients that support overall health and fertility. Regular physical activity, adequate sleep, and stress management are also critical components of a healthy lifestyle that can positively influence fertility.

If your husband continues to experience discomfort with any supplement, it would be wise to consult with a healthcare provider or a registered dietitian who specializes in nutrition and fertility. They can provide tailored advice based on his specific health needs and help ensure that any supplement regimen is safe and effective.

In summary, while arginine can be beneficial for fertility, if it causes discomfort, switching to maca may be a good alternative. Maca can be taken with B vitamins and zinc without significant concerns. Always prioritize a balanced diet and consult with a healthcare professional for personalized advice, especially when trying to conceive.

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