Collagen vs. Hyaluronic Acid: What's the Real Difference?

Collagen vs. Hyaluronic Acid: What's the Real Difference?

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The main difference between collagen and hyaluronic acid is their function. Collagen is a structural protein that helps give skin its strength and firmness, while hyaluronic acid helps attract and retain moisture to support skin hydration. Because they perform different roles, collagen and hyaluronic acid can complement rather than replace one another.

As you embark on your journey toward vibrant skin health and overall wellness, you may find yourself navigating the intriguing debate surrounding collagen and hyaluronic acid.

Both ingredients have captured the spotlight in the beauty industry, frequently touted as essential allies for achieving youthful, glowing skin. But while these two skincare heroes are often mentioned interchangeably they each offer unique benefits and serve distinct functions in the body. 

Collagen, known as the foundational protein that gives skin its strength and elasticity, plays a crucial role in maintaining a firm and supple complexion. On the other hand, hyaluronic acid is renowned for its remarkable ability to attract and retain moisture, providing that coveted plumpness and hydration.

By delving into the fascinating science behind these two superstars, you can gain clarity on which one (or both!) aligns best with your specific health and beauty goals.

What Is Collagen?

Collagen is the most abundant protein in the human body, making up about 30% of its total protein content. Often referred to as the "building block" of skin, bones, tendons, ligaments, and cartilage, collagen provides structural support and strength, much like the scaffolding of a building. This fascinating protein is composed of amino acids, primarily glycine, proline, and hydroxyproline, arranged in a tight triple helix structure. This unique configuration allows collagen fibres to withstand tension and provides elasticity, keeping skin firm and youthful.

As we age, our bodies naturally produce less collagen—starting in our mid-20s. By the time we reach our 40s and 50s, collagen production has significantly decreased, which can result in visible signs of ageing such as sagging skin, wrinkles, and joint discomfort. Environmental factors such as UV exposure, smoking, and poor diet can further accelerate this decline, leading many to seek ways to boost collagen levels through dietary choices and supplementation.

In the realm of skincare and health, collagen is praised for its ability to promote skin elasticity and hydration. Some studies suggest that oral collagen supplements might enhance skin elasticity, hydration, and even help reduce the appearance of wrinkles. When ingested, these supplements break down into smaller peptides, which may stimulate the body’s own collagen production by activating fibroblasts (the cells responsible for collagen synthesis).

Additionally, there are various types of collagen, with Type I being the most prevalent in the skin, tendons, and bones, while Type II is primarily found in cartilage. Knowing which type of collagen you’re targeting can help you choose the right supplements or skincare products tailored to your needs.

Incorporating collagen-rich foods into your diet can also support your body’s collagen production. Leafy greens, citrus fruits, nuts, seeds, and fish are excellent sources. Many nutritionists recommend pairing collagen with vitamin C, as this vitamin is crucial in collagen synthesis and helps in creating the necessary amino acids.

Understanding Hyaluronic Acid

Hyaluronic acid (HA) belongs to a group of molecules known as glycosaminoglycans, which are long chains of carbohydrates that play a critical role in maintaining the structural integrity of connective tissues. Predominantly found in the skin, connective tissues, and even in the fluid surrounding our joints, hyaluronic acid is renowned for its superior hydrating properties.

One of the standout features of hyaluronic acid is its incredible ability to attract and hold onto moisture. In fact, just one tiny molecule of HA can hold up to 1,000 times its weight in water! This incredible moisture-retaining power makes hyaluronic acid a fantastic friend in the pursuit of that coveted dewy, plump skin.

In the deeper layers of your skin, known as the dermis, hyaluronic acid works its magic by binding to water molecules. This creates a sort of hydration reservoir that keeps your skin hydrated and elastic. Thanks to this reservoir, your skin stays firm and supple, which is essential for maintaining a youthful glow. With sufficient hydration, your complexion appears smoother and more radiant, helping you achieve that fresh-faced look we all desire.

As we age, however, the natural levels of hyaluronic acid in our bodies begin to decline, with notable decreases starting in our mid-20s. This reduction can lead to a noticeable drying of the skin, the formation of fine lines and wrinkles, and an overall loss of volume and firmness. External factors such as sun exposure, environmental pollutants, and stress can further accelerate this decline, leading to even greater depletion of HA in our skin. Consequently, many people turn to hyaluronic acid-based products as a part of their skincare regimen to replenish moisture and maintain a youthful glow.

Collagen vs Hyaluronic Acid

When it comes to collagen and hyaluronic acid, understanding their key differences is essential for choosing the right products for your skin. Let’s break it down into simple terms.

First off, collagen is all about structure. It’s the most abundant protein in our bodies, providing strength and support to various tissues, including our skin, bones, tendons, and ligaments. Think of collagen as the scaffolding that holds everything together. It gives our skin its firmness and elasticity, which are crucial for that youthful appearance we all desire. On the flip side, hyaluronic acid is your go-to for hydration. This amazing ingredient has a unique ability to attract and hold moisture, keeping your skin plump and hydrated for a smooth, radiant look. While collagen works hard to build and support the skin’s structure, hyaluronic acid ensures it remains soft and supple.

Next, let’s talk about where these two substances come from. Collagen is a protein made up of amino acids that link together to form long chains, creating the strong fibres that contribute to our connective tissues. In contrast, hyaluronic acid is a carbohydrate molecule, specifically a glycosaminoglycan. This means that while collagen provides the body’s structure, hyaluronic acid acts more like a sugar that helps keep moisture in and supports various biological functions.

Finally, our bodies react differently to collagen and hyaluronic acid. Collagen is key to maintaining the overall structure of our skin and other tissues. As we age, our natural collagen production declines, which can result in sagging skin and reduced firmness. Supplementing with collagen can help replenish what we've lost over the years. On the other hand, hyaluronic acid focuses primarily on retaining moisture. It acts as a hydration reservoir beneath the skin, promoting plumpness and combating dryness. Just like collagen, our skin can lose hyaluronic acid due to ageing and environmental factors, but replenishing it with topical products or injections can provide an instant boost in hydration and volume without directly impacting the skin's structure.

Finding Collagen in Your Diet

While supplements are a common way to boost collagen intake, you can also find this protein in various foods. Bone broth is an excellent natural source, as it’s made by simmering animal bones and connective tissues. Additionally, diets rich in chicken skin, fish, and egg whites can help increase collagen levels. Remember, a diet high in vitamin C, found in foods like oranges and bell peppers, can aid collagen synthesis in your body.

Our Marine Collagen is derived from wild fish that are sourced in an environmentally-friendly and sustainable way from various regions across the world (EU, South America, Southeast Asia). The process uses parts of the fish that are normally thrown away. Our hydrolysed collagen has NO artificial colours or flavours and NO synthetic binders or fillers - only pure, active ingredients. Our tablets are a great alternative to marine collagen capsules.

Locating Hyaluronic Acid in Foods

Though hyaluronic acid is widely present in skincare products, you can nourish your body through diet too. Foods like bone broth and organ meats offer hyaluronic acid, while choices like soy-based products and starchy root vegetables stimulate its production. Including these foods in your diet not only supports skin hydration but also promotes joint health.

To further enhance your hyaluronic acid levels, consider our Hyaluronic Acid Supplement. This premium formula is specifically designed to support skin hydration and overall joint health, helping you feel your best from the inside out. Simple and effective, our supplement gives you an easy way to ensure you're getting the benefits of hyaluronic acid every day. 

Our vegan friendly Hyaluronic Acid capsules are formulated using premium quality ingredients, free from artificial colours, flavours and sweeteners. Get all the goodness of Hyaluronic Acid in our easy to swallow capsules.

Are There Vegan Options?

If you’re following a vegan lifestyle, you’ll be pleased to know that there are plenty of plant-based options to support your collagen and hyaluronic acid levels. While collagen is primarily found in animal products, you can still promote your body’s natural collagen production through a well-rounded vegan diet.

Fruits that are rich in vitamin C, such as kiwi, strawberries, and oranges, play a crucial role in collagen synthesis. Vitamin C helps to stimulate collagen production and protect existing collagen from damage. In addition, foods like soy and tofu are excellent choices, as they contain isoflavones that may help enhance skin elasticity and hydration.

Nuts, particularly walnuts and almonds, are also beneficial, providing healthy fats and nutrients that support overall skin and joint health. By incorporating these delicious and nutritious foods into your diet, you can effectively promote collagen production and maintain optimal skin health while adhering to your vegan values.

Collagen is the major component of connective tissues that make up several body parts, including tendons, ligaments, skin, and muscles. Collagen is needed in the body to provide your skin with structure and keep skin elastic and hydrated. 



Questions People Regularly Asking About Collagen and Hyaluronic Acid

Which is better for skin: collagen or hyaluronic acid?

Collagen and hyaluronic acid support the skin in different ways, so one is not necessarily better than the other. Collagen is a structural protein that helps give skin its strength and firmness, whereas hyaluronic acid is a naturally occurring substance that helps retain moisture and keep skin hydrated and plump. Which one you focus on will therefore depend on whether your priority is supporting skin structure or hydration.

Can you take collagen and hyaluronic acid together?

Yes, collagen and hyaluronic acid can be taken together. They perform different roles in the body: collagen provides structural support to tissues such as the skin, while hyaluronic acid is involved in moisture retention. Some supplements therefore combine collagen and hyaluronic acid in the same formulation, sometimes alongside nutrients such as vitamin C, which contributes to normal collagen formation for the normal function of skin.

What is the main difference between collagen and hyaluronic acid?

The main difference is that collagen provides structure, while hyaluronic acid primarily helps with hydration. Collagen is a protein made from amino acids and is an important component of skin and other connective tissues. Hyaluronic acid is a glycosaminoglycan found naturally in areas including the skin and joints, where it binds with water. In simple terms, collagen helps provide the skin's structural framework, while hyaluronic acid helps it retain moisture.

Should I use collagen or hyaluronic acid as I get older?

Both collagen and hyaluronic acid occur naturally in the body, and their levels can change with age. Rather than viewing them as interchangeable, it is more useful to consider their different functions: collagen contributes to the structural framework of the skin, while hyaluronic acid plays an important role in retaining moisture. Your choice of skincare, diet or supplementation should therefore depend on your individual needs, diet and health goals.

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Written by

John Lukey MSc

John Lukey MSc is our Registered Nutritionist, helping to ensure our products and health advice are backed by the latest nutrition science. Working in health and wellbeing since 2011, he is passionate about making nutrition clear, practical and accessible for everyone.