Collagen powder has become a popular supplement, but is it a good fit for a ketogenic diet? The ketogenic diet is a high-fat, very-low-carbohydrate eating plan that shifts the body’s primary fuel source from glucose to ketones. This metabolic state, known as ketosis, can offer several potential benefits. But to reap those benefits, you need to be mindful of your macros. Let’s examine whether collagen powder fits into a keto lifestyle and if it’s worth incorporating into your routine.
What is Collagen and Why is it Important?
Collagen is the most abundant protein in the human body, providing structure to skin, bones, tendons, and ligaments. As we age, collagen production naturally declines, leading to wrinkles, joint pain, and reduced bone density. Supplementing with collagen powder is thought to help counteract these effects by providing the body with the building blocks it needs to produce more collagen.
Collagen supplements are derived from animal sources, such as bovine, porcine, or marine collagen. They are typically hydrolysed, meaning the collagen has been broken down into smaller peptides for easier absorption. Learn more about keto protein sources.
Is Collagen Keto-Friendly?
Yes, collagen powder is generally considered keto-friendly. It is almost pure protein, with minimal to zero carbohydrates and fat. This makes it an easy way to increase your protein intake without affecting your state of ketosis. However, it’s essential to check the nutrition label of your chosen collagen powder to ensure it doesn’t contain added sugars or other carbohydrate-containing ingredients. Some flavoured varieties may include sweeteners or additives that could impact your carbohydrate count.
Potential Benefits of Collagen on Keto
While research on collagen supplementation is ongoing, some potential benefits may be particularly relevant for those following a ketogenic diet:
- Improved Skin Health: Collagen can help improve skin elasticity and hydration, potentially reducing the appearance of wrinkles.
- Joint Support: Collagen may help reduce joint pain and stiffness, which can be beneficial for those engaging in regular exercise.
- Gut Health: Some studies suggest that collagen may help support gut health by strengthening the intestinal lining.
- Increased Satiety: Protein is known to be more satiating than carbohydrates or fats, and collagen powder can be a convenient way to increase your protein intake and feel fuller for longer. Sumithran et al (2013) noted the role of appetite-mediating hormones in this process. [citation]
What this means in practice
Adding collagen to your keto diet is easy. You can mix it into your morning coffee, blend it into a smoothie, or add it to your keto-friendly baking recipes. Most unflavoured collagen powders have a neutral taste and dissolve easily in liquids. A typical serving size is around 10-20 grams per day. You can buy unflavoured collagen peptides at Tesco for around £15 for 400g. Remember to factor this into your daily macros. See our guide to keto macros.
Potential Downsides of Collagen on Keto
Collagen is an incomplete protein, meaning it doesn’t contain all nine essential amino acids. Therefore, it shouldn’t be your sole source of protein. It’s important to consume a variety of other protein-rich foods, such as meat, fish, eggs, and dairy, to ensure you’re getting all the essential amino acids your body needs. Some people may experience mild digestive issues, such as bloating or constipation, when taking collagen supplements. Start with a small dose and gradually increase it to assess your tolerance.
Frequently Asked Questions
Can collagen powder kick me out of ketosis?
No, collagen powder is unlikely to kick you out of ketosis, as it is virtually carb-free. However, always check the label for hidden carbs or sugars, especially in flavoured varieties.
How much collagen should I take on keto?
A typical serving size is 10-20 grams per day. You can adjust the amount based on your individual needs and tolerance.
When is the best time to take collagen?
You can take collagen at any time of day. Some people prefer to take it in the morning with their coffee or smoothie, while others take it before bed.
Is collagen powder safe?
Collagen powder is generally considered safe for most people. However, if you have any underlying health conditions or allergies, it’s best to consult with your doctor before taking collagen supplements.
The Bottom Line
Collagen powder can be a worthwhile addition to a ketogenic diet, offering potential benefits for skin health, joint support, and satiety. It’s keto-friendly, easy to incorporate into your routine, and generally well-tolerated. However, it’s important to choose a high-quality product, be mindful of added ingredients, and ensure you’re getting a variety of other protein sources to meet your nutritional needs. If you’d rather not do the macro maths yourself, the automatic macro tracker in the Keto Dieting app does it for you on Google Play and the App Store.
References
- Sumithran P, Prendergast LA, Delbridge E, et al. (2013). Ketosis and appetite-mediating nutrients and hormones after weight loss. European Journal of Clinical Nutrition. https://doi.org/10.1038/ejcn.2013.90
