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Real members of MyBCTeam have posted questions and answers that support our community guidelines, and should not be taken as medical advice. Looking for the latest medically reviewed content by doctors and experts? Visit our resource section.

Is intermittent fasting safe while taking Letrozol and Kisqali?

A MyBCTeam Member asked a question in Food and Recipes group 💭
Cheektowaga, NY
June 22, 2025
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Reactions
A MyBCTeam Member

Hi Lori 😊 hope you are doing well. I do intermittent fasting. But it works for me. I'm also a diabetic so it helps me with my weight as well. But when I do eat, I eat my protein, veggies, fruits, fiber. It's an ordeal but it works for me. Talk to your PCP and see if it is possible for you. Have a beautiful day 🥰

October 28, 2025
A MyBCTeam Member

Hi Lori, I'm glad you asked that question. I start letrozole tonight. I usually do a 6 hour eating window. I eat all of my balanced meals in that time. If I get hungry, I'll have a piece of fruit or veggies. 🤗

July 9, 2025
A MyBCTeam Member

You should write down all the questions you have about fasting while on your meds and then discuss them with your medical team. Everybody is different and since they have your full medical history they can help you make the correct decision. Wishing you well. Endless hugs!

June 23, 2025
A MyBCTeam Member

I'm diabetic. I don't know what to eat anymore 😔

October 3, 2025
MyBCTeam

While taking letrozole and Kisqali, it's crucial to maintain consistent nutrition since these medications can affect your appetite and weight. Before starting any new eating pattern like intermittent fasting, you should discuss this with your healthcare provider.

Some key considerations
- Letrozole can cause both weight Show Full Answer

While taking letrozole and Kisqali, it's crucial to maintain consistent nutrition since these medications can affect your appetite and weight. Before starting any new eating pattern like intermittent fasting, you should discuss this with your healthcare provider.

Some key considerations:
- Letrozole can cause both weight gain and loss
- These medications may affect how your body processes nutrients
- Regular nutrition helps manage side effects Your diet can impact how your body processes these medications. It's important to:
- Maintain regular eating patterns to help with medication absorption
- Focus on getting adequate calcium through healthy sources
- Work with your healthcare team to develop an eating plan that supports your treatment goals

Always communicate openly with your healthcare provider about any dietary changes you're considering to ensure they won't interfere with your treatment.

June 22, 2025

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