By Dr. Frank O'Neill GrowGrayMatter · 2/17/2023
Alternate Day Fasting (ADF) is an effective weight loss strategy that helped Dr. O lose 165 pounds.
ADF involves fasting for 36 hours followed by a 12-hour eating window, allowing for a calorie deficit while still enjoying food on eating days.
Exercise can enhance the effectiveness of ADF, but it's not mandatory for success.
In this video, Dr. O discusses alternate day fasting (ADF), which he considers his favorite method for weight loss. He emphasizes that while ADF worked for him, it may not be suitable for everyone, especially those with less weight to lose. He credits much of his success to ADF, alongside other lifestyle changes like exercise and diet management.
ADF is not simply a 24-hour fast; it actually involves 36 hours of fasting followed by a 12-hour eating window. Dr. O explains that during the fasting period, you sleep twice, making it easier to manage hunger. He recommends consuming 25-35% more calories on eating days to maintain a calorie deficit overall.
Dr. O suggests that those new to fasting should ease into it, possibly starting with a modified version of ADF. He emphasizes the importance of hydration and electrolyte balance during fasting periods mentioned at.
Dr. O wraps up by reiterating the benefits of ADF and encourages viewers to find a fasting schedule that works for them. He hopes this information helps others on their weight loss journeys ending at.
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