Eating After Gallbladder Removal: What You Should Know
Have you recently had your gallbladder removed, or are you preparing for surgery? You might be wondering how this will...

Last updated: February 5, 2026
Fish oil – it’s a supplement many of us are familiar with, often recommended by healthcare professionals for various health benefits. You might have heard of its potential role in managing high cholesterol or even improving memory. But what’s been buzzing in recent conversations is the idea that fish oil supplementation can give your metabolism a boost, potentially aiding in weight loss. Today, we’re diving into the research to uncover the truth about fish oil and its impact on metabolism.
First, let’s start with the basics. Fish oil is derived from the tissues of oily fish, and it’s renowned for its rich content of omega-3 fatty acids. It contains two essential omega-3 fatty acids: eicosapentaenoic acid (EHA) and docosahexaenoic acid (DHA). They are precursors to anti-inflammatory processes in the body and also help keep our triglyceride levels in check.
It is naturally found in fatty fish like salmon, mackerel, and sardines. These fish are a fantastic dietary source of EPA and DHA. However, not everyone incorporates them into their regular meals, which is where supplements come into play.
Before we dive into its connection with metabolism, let’s explore some of the well-established benefits of fish oil:
Fish oil is renowned for its ability to reduce triglyceride levels, lower blood pressure, and decrease the risk of heart disease. The omega-3s it contains have anti-inflammatory properties that promote cardiovascular well-being.
DHA, one of the primary components of this supplement, is crucial for brain health. It supports cognitive function, memory, and may even reduce the risk of age-related cognitive decline.
Omega-3s play a vital role in regulating inflammation in the body. They help keep chronic inflammation in check, which is associated with various diseases.
Now, let’s get to the heart of the matter – can this supplement truly ramp up your metabolism?
Studies on this topic have yielded mixed results. Some research suggests that fish oil supplementation doesn’t significantly increase Resting Metabolic Rate (RMR), which is the number of calories your body burns at rest. However, some studies have shown that it can increase lean muscle mass.
While the increase in lean muscle mass itself may not directly boost metabolism at rest, it’s a significant finding. Lean muscle requires more energy to maintain than fat tissue. Therefore, preserving or increasing lean muscle mass can indirectly support a healthier metabolism.
In essence, it might not be a magical metabolism booster, but it can play a role in preserving or even increasing lean muscle mass, which has a positive impact on your metabolism.
Not all supplements are created equal. To ensure you’re getting the most benefits, consider these factors when selecting a fish oil supplement:
Look for a supplement that’s free from contaminants like heavy metals and toxins. Choose products that undergo rigorous testing for purity and quality. Look for an NSP seal on supplements you purchase from your local pharmacy or research the brand of your supplement to determine whether it has been 3rd party tested.
Check the label for the EPA and DHA content. Higher levels of these fatty acids generally indicate a more potent supplement.
This supplement comes in various forms, including capsules, liquids, and gummies. Choose one that suits your preferences and needs.
Opt for fish oil brands committed to sustainable fishing practices to help protect our oceans and marine life.
In conclusion, while fish oil may not be a magic bullet for ramping up your metabolism, its numerous health benefits make it a valuable addition to your daily routine. If you are interested in determining the right dosage ensuring it aligns with your specific health goals reach out to our office to speak to one of our registered dietitians! In the meantime, if you’d like to see which fish oil supplement we’d recommend, follow this link!
Last updated: February 5, 2026
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