Krill Oil Helps Preserve Muscle and Boost Your Energy Levels
Dr. Joseph Mercola - Take Control of Your Health
Briana Mercola
4.6 • 1.6K Ratings
🗓️ 10 September 2025
⏱️ 7 minutes
🧾️ Download transcript
Summary
- Krill oil helps preserve muscle and boost energy in elderly adults and people who are trying to lose weight (especially when reducing calories significantly over time)
- A recent study found that people taking 4 grams of krill oil daily retained more muscle strength and size while fasting compared to those who took a placebo
- In adults over 65, krill oil improved grip strength, thigh muscle thickness, and neuromuscular response — even without added exercise — after just six months of use
- Krill oil helped muscle cells burn fat more efficiently and increased levels of leucine, a key amino acid that signals your body to build new muscle tissue
- Krill oil also activated genes that help transport sugar into muscle cells for energy use, supporting both metabolic health and muscle performance from the inside out
Transcript
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| 0:00.0 | Could you lose weight without sacrificing strength and even see measurable gains in daily function by adding one simple habit? |
| 0:07.0 | Welcome to Dr. Mercola's cellular wisdom. Stay informed with quick, easy-to-listen summaries of our latest articles, perfect for when you're on the go. No reading required. |
| 0:17.0 | Subscribe for free at Mercola.com for the latest health insights. Hello, and welcome to Dr. Mercola's cellular wisdom. |
| 0:24.6 | I'm Ethan Foster. |
| 0:26.6 | Today we're unpacking new research, showing how krill oil can help you retain muscle |
| 0:31.6 | during calorie restriction and support consistent energy, |
| 0:35.6 | with findings from randomized trials in adults doing alternate |
| 0:38.8 | day fasting and in people over 65. |
| 0:41.3 | I'm a Lara Sky. Krill oil is a marine-sourced oil that supplies EPA and DHA omega-3s, |
| 0:49.3 | astaxanthan, and coline. The studies will discuss measured practical outcomes you can feel. Chairstand speed, |
| 0:57.0 | grip strength, thigh strength, and thickness, along with blood markers and cellular changes |
| 1:02.0 | tied to energy use and protein building. |
| 1:04.0 | The first trial followed 41 adults with higher than average BMI during eight weeks of alternate |
| 1:10.0 | day fasting. |
| 1:11.6 | Participants ate 500 calories within a two-hour window on fasting days and ate normally on non-fasting days without overeating. |
| 1:19.6 | Those taking four grams of krill oil daily retained more muscle mass and strength than placebo, |
| 1:25.6 | move from a chair faster, and maintain more grip strength across |
| 1:29.3 | the protocol. They also showed favorable shifts in metabolic markers. Blood levels of EPA and |
| 1:35.9 | DHA rose and systolic blood pressure declined in the krill oil group. If you're cutting calories, |
| 1:43.0 | preserving strength is essential for steady metabolism and |
| 1:45.9 | long-term weight maintenance. The trial's message is direct. You can lose weight while defending |
| 1:51.5 | your muscle performance. A second randomized, double-blind, placebo-controlled study examined healthy |
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