Uploaded January 2026 | Updated September 2026, 1 week ago
Complicated weight-loss programs can work, but what if we only had to focus on a single dietary change to get the same benefits?
If you missed the previous videos, check out: How to Boost Fat Burning by 25% (nutritionfacts.org/video/how-to-boost-fat-burning-by-25).
For more on weight loss, see:
• Are Weight-Loss Supplements Effective? (nutritionfacts.org/video/are-weight-loss-supplements-effective/)
• Are Weight-Loss Supplements Safe? (nutritionfacts.org/video/are-weight-loss-supplements-safe/)
• Is Fasting for Weight Loss Safe? (nutritionfacts.org/video/is-fasting-for-weight-loss-safe/)
• Is Fasting Beneficial for Weight Loss? (nutritionfacts.org/video/is-fasting-beneficial-for-weight-loss/)
• Benefits of Fasting for Weight Loss Put to the Test (nutritionfacts.org/video/benefits-of-fasting-for-weight-loss-put-to-the-test/)
• The Reason Weight Loss Plateaus When You Diet (nutritionfacts.org/video/the-reason-weight-loss-plateaus-when-you-diet/)
• Is Swimming Good for Weight Loss? (nutritionfacts.org/video/is-swimming-good-for-weight-loss)
New subscribers to our e-newsletter always receive a free gift. Get yours here: nutritionfacts.org/subscribe/.
Have a question about this video? Leave it in the comment section at nutritionfacts.org/video/one-of-the-most-effective-single-pieces-of-advice-for-weight-loss and someone on the NutritionFacts.org team will try to answer it.
Want to get a list of links to all the scientific sources used in this video? Click on Sources Cited at nutritionfacts.org/video/one-of-the-most-effective-single-pieces-of-advice-for-weight-loss. You’ll also find a transcript and acknowledgements for the video, my blog and speaking tour schedule, and an easy way to search (by translated language even) through our videos spanning more than 2,000 health topics.
Thanks for watching. I hope you’ll join in the evidence-based nutrition revolution!
-Michael Greger, MD FACLM
Captions for this video are available in several languages; you can find yours in the video settings. View important information about our translated resources: nutritionfacts.org/translations-info
NutritionFacts.org
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Complicated weight-loss programs can work, but what if we only had to focus on a single dietary change to get the same benefits?
If you missed the previous videos, check out: How to Boost Fat Burning by 25% (nutritionfacts.org/video/how-to-boost-fat-burning-by-25).
For more on weight loss, see:
• Are Weight-Loss Supplements Effective? (nutritionfacts.org/video/are-weight-loss-supplements-effective/)
• Are Weight-Loss Supplements Safe? (nutritionfacts.org/video/are-weight-loss-supplements-safe/)
• Is Fasting for Weight Loss Safe? (nutritionfacts.org/video/is-fasting-for-weight-loss-safe/)
• Is Fasting Beneficial for Weight Loss? (nutritionfacts.org/video/is-fasting-beneficial-for-weight-loss/)
• Benefits of Fasting for Weight Loss Put to the Test (nutritionfacts.org/video/benefits-of-fasting-for-weight-loss-put-to-the-test/)
• The Reason Weight Loss Plateaus When You Diet (nutritionfacts.org/video/the-reason-weight-loss-plateaus-when-you-diet/)
• Is Swimming Good for Weight Loss? (nutritionfacts.org/video/is-swimming-good-for-weight-loss)
New subscribers to our e-newsletter always receive a free gift. Get yours here: nutritionfacts.org/subscribe/.
Have a question about this video? Leave it in the comment section at nutritionfacts.org/video/one-of-the-most-effective-single-pieces-of-advice-for-weight-loss and someone on the NutritionFacts.org team will try to answer it.
Want to get a list of links to all the scientific sources used in this video? Click on Sources Cited at nutritionfacts.org/video/one-of-the-most-effective-single-pieces-of-advice-for-weight-loss. You’ll also find a transcript and acknowledgements for the video, my blog and speaking tour schedule, and an easy way to search (by translated language even) through our videos spanning more than 2,000 health topics.
Thanks for watching. I hope you’ll join in the evidence-based nutrition revolution!
-Michael Greger, MD FACLM
Captions for this video are available in several languages; you can find yours in the video settings. View important information about our translated resources: nutritionfacts.org/translations-info
NutritionFacts.org
• Subscribe: nutritionfacts.org/subscribe
• Donate: nutritionfacts.org/donate
• Podcast : nutritionfacts.org/audio
• Books: nutritionfacts.org/books
• Shop: drgreger.org
• Facebook: facebook.com/NutritionFacts.org
• Twitter: twitter.com/nutrition_facts
• Instagram: instagram.com/nutrition_facts_org
