FAQs

safety-precautions ·
Is fasting healthy and safe? What complaints are associated with fasting?
For most people, yes. And prolonged fasting contributes to transformative, sustained health benefits. However, if you have a health condition of any kind, or any concerns about fasting, you should speak to your healthcare provider before starting a prolonged fast....
safety-precautions ·
I am on ProLon and have a medical emergency
We're so sorry to hear about your experience. If at any time you're unsure of your well- being or concerns of anything you are experiencing, stop your fast by consuming food. If you feel that at any time your health...
safety-precautions ·
I have a headache (other adverse effect) – what should I do? Please advise.
If at any time you're unsure of your well-being or concerned of anything you are experiencing, stop your fast by consuming a healthy balanced meal. If you are unclear as to what food you should consume, then please reach out...
safety-precautions ·
I am experiencing adverse effects (headache, fatigue, bad, hypoglycemic etc.) - what should I do?
Individuals experience fasting different, which may be based on several contributing factors. If you’re unable to tolerate the side effects and you feel that your health is a concern at any time, we recommend consulting with your primary care physician....
safety-precautions ·
Will fasting impact my health markers (cholesterol etc.)?
Everyone experiences fasting differently. As an individual, we cannot specifically inform you. It would be best to discuss this with your healthcare provider to better understand how fasting may fit into your life. Once you read about fasting and if...
safety-precautions ·
What is the difference between ProLon and water-only fasts? What are the benefits of doing ProLon® instead of a water-only fast?
The main difference between ProLon and longer fasts is that ProLon provides nutrition during the fast to decrease the risks of side effects and loss of lean body mass. While some people can tolerate fasts of longer than 5 days,...
safety-precautions ·
Why should I do ProLon® instead of my own version of a fasting mimicking diet?
ProLon® is supported by over 20 years of research and development, including clinical trials. We strongly advise against DIY fasting mimicking diets, which may not include the proper macro- and/or micro-nutrients, may not effectively put your body into a fasting...
safety-precautions ·
Do side effects decrease with further ProLon cycles?
In trials where participants did 3 consecutive monthly cycles of ProLon, it was reported that fasting effects such as hunger, headache and fatigue were both less common and less severe with each successive cycle of ProLon.
safety-precautions ·
Can someone over 70 years old do the program?
Not without direct evaluation and supervision by a healthcare provider. You should consult with your own healthcare provider, or use a telemedicine provider to discuss your specific situation.
safety-precautions ·
If I have a health condition, can I still do ProLon®?
Although fasting for short periods is safe for most generally healthy people, you should talk to your healthcare provider before beginning any diet or diet program to ensure it is safe and right for you. As stated in the Healthy Start...