September 5, 2020

uses benefits and side effects of collagen peptides

If you’re wondering what on earth collagen peptides are, here’s what you need to know: they’re a form of collagen, which is essentially the glue that holds the important parts of your body together. Collagen peptide supplements usually come in powder form, to be dissolved in water and taken on a daily basis. They’re high in protein and low in calories, making them appealing for people looking to make a positive addition to their diet without leading to weight gain.

Collagen is the main ingredient in skin care products
It feels like every day there’s a new supplement that makes it big in the health and wellness sphere, and everyone from the woman at the bus stop to professional medical scientists is telling us that we have to take it now. Collagen peptides are no different: they seemed to appear out of nowhere, and all of a sudden, the whole world is obsessed.

You might have noticed that collagen has become a main ingredient for a number of skin, hair, and nail care products because they’re supposed to be especially good for all three. Collagen peptides tend to be a more effective alternative to topical creams and lotions as when you include them in your diet, you’re letting their full beneficial effects take place from the inside out.

Collagen peptides are no different from any other supplements in that they have their fair share of benefits, as well as a number of side effects. If you’re considering taking collagen peptides supplements yourself, the wisest thing to do is to learn all about what they are, how they may help you, and any side effects to look out for. 

Luckily, this video will cover exactly that. Keep on listening to discover everything you need to know about collagen peptides:

Benefits of Collagen Peptides

There are a number of different reasons why people might choose to take collagen peptides, but ultimately, you can expect to experience a range of different benefits from supplementing with them. Here are the most common benefits that collagen peptides offer:

1. Offers essential post-workout nutrition

Collagen peptides offer the best post-workout nutrition

When you finish off a workout, your muscles will go through a process of repair and generation. The foods that you eat following a workout are essential for helping to speed up the repair process and get you back on track as soon as possible. 

Collagen peptides offer the best post-workout nutrition, by providing you with an essential protein fix for helping your muscles to heal and preventing the loss of lean mass.

2. Repairs a leaky gut    

A leaky gut is more common than you might think and can result in toxins, food particles, and infections being able to pass through your intestinal wall and into your bloodstream, causing inflammation. It can eventually lead to an autoimmune disease, and taking collagen peptides is one of the simplest ways to heal your leaky gut before complications can arise. 

Collagen is really clever – it contains amino acids that can assist in healthy cellular and tissue growth, effectively sealing your gut and preventing leakage.

3. Helps you to maintain a healthy weight

Collagen Helps you to maintain a healthy weight

If you’re struggling to maintain a healthy weight, collagen might be the answer you’ve been looking for. An ingredient found in collagen called glycine forms muscle by converting glucose into energy. This will help you to convert fat into lean muscle tissue, which helps you to burn more calories faster and boost your metabolism. 

If you’re supplementing with collagen on a daily basis, you should find that you’re burning more fat, more regularly – even during rest. Because collagen is a great source of protein, it’ll also keep you satisfied for longer, stopping you from reaching for empty calorie snacks.

4. Improves skin, hair, and nails

Onto the reason why most people prefer to take collagen: its ability to improve the appearance of hair, skin, and nails. The ageing process naturally results in looser and less elastic skin, as well as wrinkles in areas that were previously smooth. Other common signs of ageing are a decrease in nail health, which may lead to brittleness, peeling, breakage, and a decline in hair health, which can lead to thinning and split ends. 

Because your natural production of collagen decreases as you age, increasing your outside collagen intake can be exactly what you need to firm up and smoothen your skin. It can also improve moisture retention and shine in hair, and strengthen weakened nails.

SaleBestseller No. 1
Vital Proteins Collagen Peptides Powder - Pasture Raised, Grass Fed, unflavored 20 oz
  • Bioavailable Collagen Peptides Powder ---- Sourced from grass-fed, pasture-raised bovine to ensure a high quality and sustainable source of this powerful ingredient. Digested and absorbed by the body quickly for maximum benefits.
  • Health Benefits ---- Original Collagen Peptides with Hyaluronic Acid + Vitamin C is Vital Proteins exclusive product. Helps improve the health of your hair, skin, nails, joints and ligaments, and tendons**.
  • Easy to Use ---- Soluble in hot or cold liquids, including coffee, smoothies, and tea. 1-2 scoops a day is all you need! It can be taken in the morning, afternoon or in the evening.
  • Certifications ---- Paleo Friendly & Whole30 Approved. No added sugars or sweeteners. Gluten / cholesterol / heavy metals / dairy free. Flavorless, odorless.
Bestseller No. 2
Collagen Peptides - Hair, Skin, Nail, and Joint Support - Type I & III Collagen - All-Natural Hydrolyzed Protein - 41 Servings - 16oz
  • ✔️ Replenish Your Skin, Hair, and Nails — Collagen peptides can help restore sagging skin, replenish thinning hair, and renew brittle nails. These benefits contribute to a more youthful appearance you’ll love
  • ✔️ Anti-Aging Power — When you look healthier, you take years off your appearance
  • ✔️ Natural Taste — While some customers take no notice, since everyone's palate is different, LiveWell collagen's all-natural formula may have a mild taste that you would most prefer adding to your favorite smoothie.
  • ✔️ Premium Ingredients — For the best results, you need the best ingredients. LiveWell labs uses hydrolyzed collagen peptides from bovine sources certified as grass-fed and pasture-raised
SaleBestseller No. 3
Collagen Peptides Powder | Hydrolyzed Type 1&3 Collagen | Non-GMO Verified, Certified Paleo Friendly and Gluten Free - Unflavored (32oz Jar)
  • Collagen is one of the most important nutrients needed to ensure the health and vitality of your skin, hair, tendon, cartilage, bones, and joints. Around the age of 30, our bodies naturally begin to produce less collagen, and the first signs of aging start to occur
  • Super Size 32oz Jar! Each scoop contains 11grams of Type 1&3 Collagen Peptides with 18 Amino Acids including glycine, proline & hydroxyproline.
  • Flavorless, mixes in hot or cold liquids - Use it in your favorite recipes smoothies, soups, Keto Coffee & more!
  • Non-GMO Verified, Keto & Paleo Certified. Hydrolyzed for better bioavailability.
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Collagen Peptides Powder - Enhanced Absorption - Supports Hair, Skin, Nails, Joints and Post Workout Recovery - Hydrolyzed Protein - Grass Fed, Non-GMO, Type I and III, Gluten-Free, Unflavored
  • Collagen Powder for Enhanced Absorption: Our collagen peptides are double hydrolyzed and contain proven DigeSEB digestive enzymes, giving our Collagen peptides powder Improved Absorption over other collagen supplements. If you are not digesting your collagen powder properly, you're throwing money away! Stop wasting money and start feeling the many benefits of Collagen Peptides Powder with Digeseb.
  • Clean & Pure Collagen Peptides: Our hydrolyzed collagen powder is hormone-free, grass-fed, and pasture-raised. It's also all-natural, non-GMO, and contains 14 essential amino acids to promote vitality and support hair, skin, nails, and joints.
  • Replenish, Repair & Recover - Unlike most other collagen supplements our collagen includes Digseb and 14 essential amino acids to help repair and replenish hair, skin, and nails along with aiding in post-workout & recovery.
  • Non-GMO & Grass-fed Collagen Peptides Powder: We believe in sourcing the best collagen in the world, and we want better than great collagen. We source premium non-GMO, grass-fed, and pasture-raised bovine, giving you the best collagen powder supplement on the market.

5. Positively effects joints

Collagen helps improve the mobility of joints

Without sufficient collagen, we may find that our joints, tendons, and ligaments are not able to move, bend, and straighten easily. When your collagen production decreases with age, it’s common for your joints to become stiff, swollen, and painful, and inflammation may occur, leading to conditions like arthritis. 

Studies have found that the amino acids glycine and proline, which are found in collagen, help to promote a healthy inflammatory response and improve the mobility of joints – so it’s worth supplementing if you’re not getting enough of it.

6. Promotes good heart health

There’s not so much evidence to share about this yet, but some studies have found that proline, which is found in collagen, can have a positive effect on the depositing of fat in your arteries and the repair of tissues within them.

We know that fatty build-ups in the arteries can lead to a high blood pressure and hardening of the arteries, and collagen may be able to prevent this fat depositing and promote healthier tissues around the heart.

Collagen promotes good heart health

7. Improves liver functioning

Did you know that we’re exposed to toxins every day of our lives? Without our liver to process them, we’d risk falling seriously ill. Glycine, a key nutrient in collagen, can help your liver to work effectively to detoxify the bad stuff from your body. 

Collagen also forms an essential protein to help keep the liver functioning normally, which can improve your overall health and even promote weight loss.

8. Promotes the formation, growth, and repair of bones

Testosterone for the development of the bones

Many people don’t realise that it’s not just calcium that we need to maintain healthy bones. One-third of our bones are actually made up of collagen, which is what gives them their flexibility. 

Adding more collagen to your diet can do wonders for your bone health by increasing bone mineral density, as well as providing them with support and elasticity. Some studies even show that supplementing with collagen can prevent the onset of osteoporosis, a degenerative disease that leads to the weakness of the bones.

Choosing a collagen supplement

There is more than one type of collagen supplement to choose from – in fact, there are more than ten of them overall. If you’re unsure where to begin, go for the one that you think would be the most beneficial to you, depending on what you personally hope to achieve from supplementing with collagen.

Collagen supplement for hair

The most common types of collagen are type one, for skin, hair, and nails; type two, for joint health; type three, for improving the elasticity of the skin; type four, for promoting the healthy growth of the placenta in pregnant women; and type ten, for improving bone health and assisting in good development. Some of these types are more popular than others, but it’s worth knowing that they’re all available.

Collagen supplement for pregnant women

You can buy collagen peptides from your local health store or online, and with so many varieties to choose from, it’s worth dedicating some time to decide which is for you. Do your research and look out for trusted product providers. Take a look at a product’s reviewing history to help you reach a balanced conclusion as to whether a product is worth its cost.

How to Safely Take Collagen Peptides

Collagen peptides are safe to take as long as you stick to the recommended dosage. It’s a myth that the more collagen you take, the better – you’ll eventually reach a point where you’re doing your body more damage than good. Start off by taking up to 12 grams of the supplement per day, and seek medical advice if you think you need it. You can click here to find the best collagen peptides on the market.

Be aware that collagen peptides aren’t always suitable for vegans and vegetarians. They’re often made using the bones of animals, but that’s not to say that you won’t find vegan-friendly alternatives that are completely free of animal products. Be sure to triple-check the ingredients’ list of a collagen supplement before purchase if you want to be certain it’s suitable for your diet.

Side Effects of Collagen Peptides

The side effects of collagen peptides are rare, and most ingredients found in the supplement are well-tolerated, but it’s important to be aware of symptoms you may experience just in case. The most common side effects of collagen peptides are as follows:

1. Skin rashes

2. Liver abnormalities

3. Diarrhea

4. A sensation of heaviness in the stomach

Heaviness in the stomach is a common side effect of collagen

If you experience any of these symptoms, stop supplementing with collagen peptides immediately. If the symptoms persist even after stopping, it may be worth checking in with your GP to make sure everything’s alright.

You can also experience symptoms if you’re allergic to the collagen source you’re supplementing with. Some collagen proteins are “marine-derived” and come from fish scales or shellfish. 

A shellfish allergy can cause skin reactions, vomiting, stomach pain, fainting and dizziness, and trouble breathing. Always check your collagen supplement’s ingredients if you know you have a shellfish allergy.


While nearly all of us know collagen to be linked with improved skin, hair, and nails, the additional benefits of the supplement are far less widely spoken about. Collagen can support a wide range of functions inside the body, and if you’re not already supplementing with it, you’re missing out.

If you’re taking collagen peptides specifically for joint pain, then you might start to notice a difference in your symptoms after around three to six weeks. If you’re taking it for skin, hair, and nails, or to improve your muscle repair following a workout, you’ll start seeing real results after about two or three months.

Thanks to the internet shopping scene, it’s easier than ever to get your hands on your collagen peptides supplement of choice. Just make sure that you make wise purchasing decisions if you want to get the most out of a product.

About the author

Rachel Perono

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