Can People with Favism Safely Use Fitness Supplements? - Pharmacology

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Can individuals with favism take fitness supplements (e.g., creatine powder, L-Carnitine tablets, 100% β-alanine powder)?


Hello, I would like to inquire about Myprotein's fitness supplements.
I have ordered creatine monohydrate powder, L-Carnitine tablets, and 100% beta-alanine powder.
However, I am unsure if these supplements are safe for individuals with G6PD deficiency.
Thank you for your assistance.
Here are the links to the products (including ingredients): Creatine Monohydrate Powder: https://www.myprotein.tw/sports-nutrition/creatine-monohydrate-powder/10530050.html?variation=10530051 L-Carnitine Tablets: https://www.myprotein.tw/sports-nutrition/l-carnitine-tablets/10530146.html?variation=10615695100 100% Beta-Alanine Powder: https://www.myprotein.tw/sports-nutrition/100-beta-alanine-powder/10529809.html

Weili, 20~29 year old female. Ask Date: 2020/09/23

Dr. Zheng Shuwen reply Pharmacology


Hello, regarding your question, here is the response: Based on the literature review, there are currently no specific substances listed that should be strictly avoided or used with caution in individuals with Favism (G6PD deficiency).
However, we cannot guarantee the absence of related components in the products you mentioned.
The severity of symptoms is related to the severity of the disease and the dosage taken.
It is advisable to monitor your body for any adverse symptoms during the course of treatment (such as dizziness, headaches, fever, chills, rapid heartbeat, etc.) and seek medical attention if necessary.
Please be reminded that individuals with Favism should be cautious about taking medications without a prescription from a physician, avoid consuming fava beans, and proactively inform their doctor of their medical history during consultations.
Wishing you all the best.
For inquiries, please call: 03-3698553 #2505 Office hours: Monday to Tuesday: 08:30-21:30 Wednesday to Friday: 08:30-17:30 Saturday: 08:30-13:30

Reply Date: 2020/09/23

More Info


When considering the use of fitness supplements for individuals with Favism, it is crucial to understand the implications of this condition. Favism is a genetic disorder that affects the metabolism of certain substances, particularly those found in fava beans and some other legumes. Individuals with this condition have a deficiency in the enzyme glucose-6-phosphate dehydrogenase (G6PD), which can lead to hemolytic anemia when exposed to certain triggers, including specific foods and medications.

Regarding the supplements you mentioned—creatine monohydrate, L-carnitine, and beta-alanine—let's break down their components and potential risks for someone with Favism:
1. Creatine Monohydrate: Creatine is a naturally occurring compound in the body that helps supply energy to muscles. It is generally considered safe for most individuals when used appropriately. However, there is limited research on the effects of creatine in individuals with G6PD deficiency. While creatine itself is not known to trigger hemolysis, it is essential to monitor for any adverse reactions, especially since individuals with Favism may have heightened sensitivity to certain substances.

2. L-Carnitine: This amino acid derivative plays a role in the metabolism of fatty acids and energy production. Similar to creatine, L-carnitine is generally safe for most people. However, there is a lack of specific studies addressing its safety in individuals with G6PD deficiency. As with creatine, it is advisable to start with a lower dose and monitor for any side effects.

3. Beta-Alanine: This non-essential amino acid is known for its role in increasing muscle endurance and performance. Beta-alanine supplementation is typically well-tolerated, but again, there is limited data on its safety for those with Favism. It is crucial to approach this supplement with caution and consult with a healthcare provider.

Given the potential risks associated with Favism, it is highly recommended that individuals with this condition consult with a healthcare professional, such as a physician or a registered dietitian, before starting any new supplement regimen. They can provide personalized advice based on your medical history and current health status.

In addition to consulting a healthcare professional, consider the following general guidelines for individuals with Favism:
- Avoid Known Triggers: Stay away from fava beans and other legumes that can trigger hemolytic episodes.

- Monitor Symptoms: Keep track of any unusual symptoms when introducing new supplements or foods, and report these to your healthcare provider.

- Focus on Whole Foods: Prioritize a balanced diet rich in fruits, vegetables, whole grains, lean proteins, and healthy fats to support overall health and fitness without relying heavily on supplements.

In conclusion, while some fitness supplements may be safe for individuals with Favism, the lack of specific research necessitates caution. Always consult with a healthcare professional to ensure that any supplementation aligns with your health needs and does not pose a risk of hemolytic anemia or other complications.

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