Collagen benefits: not just for your skin

Collagen supplements are popular because collagen is a major structural protein that helps hold skin, joints, bones and connective tissue together. When collagen production slows with age and fibres break down, common signs include drier skin, fine lines, and more everyday stiffness. In short, collagen benefits can show up in how you look and how you move, especially when you choose an evidence-based dose and take it consistently.

collagen benefits: not just for your skin

Collagen is the single-most abundant protein in the body, comprising roughly one-third of total proteins.

As a fibrous protein of the extracellular matrix, it’s a key building block that helps make up our skin, muscles, ligaments, cartilage, blood vessels and bones. There are at least 16 types of collagen, with Type I and II being the most common in supplementation. Type I collagen is a major constituent of skin and bones and is also found in tendons, ligaments, the cornea, the intestinal lining and heart valves. Type II collagen is most associated with cartilage and joint tissues, and is often used in joint-focused formulas.

Skin: Collagen provides structure to skin, as well as elasticity and hydration. Collagen peptides may help improve skin hydration and the look of fine lines as skin naturally ages. What’s more, taking collagen for skin support can also encourage your body’s own collagen production, along with supportive proteins such as elastin and fibrillin that contribute to firmness and bounce.

Joints: Just as collagen can help your skin keep its structure and elasticity, it also supports the cartilage and connective tissues around joints. Osteoarthritis and other degenerative joint disorders can be more noticeable as the amount and quality of collagen in the body declines. Supplementing with the right form and dose can be one practical way to support joint comfort alongside movement and strength work.

Bones: Bones rely on a collagen framework, but as we age bone mass can decrease, in part because collagen quality deteriorates. Low bone density and osteoporosis may result when that structural framework weakens over time. Some studies suggest collagen supplementation can support bone mineral density when paired with good nutrition and resistance training.

Muscles: Muscles also contain collagen, which helps support normal structure and function. In some research, collagen supplementation alongside exercise has been associated with improved lean mass outcomes in older adults compared to exercise alone. For best results, prioritise protein intake and progressive strength training, then use collagen as an add-on.

Heart: Collagen helps provide structure to blood vessels, supporting normal flexibility and function. When collagen deteriorates, vessels may lose some structural support. In some studies, collagen supplementation has been linked with improvements in markers such as arterial stiffness, alongside overall lifestyle habits.

Gut: Many medical professionals discuss collagen for digestive support because collagen provides amino acids used in the lining of the digestive tract. For some people, consistent collagen intake may complement a gut-friendly routine that includes fibre, hydration and identifying trigger foods.

Collagen Supplementation

There are tonnes of collagen options on the market as the category continues to grow. Capsules, tablets, powders, gummies, creamers and protein collagen blends are found everywhere from the supermarket to Farmers, making it hard to figure out what is most suitable.

To address a specific goal, look for a collagen that provides an effective daily serving size, which is commonly around 6g per day for general support. Powders are a great way to get higher doses in one go, while tablets can be more convenient when you are travelling. Chewing a gummy once a day might taste nice, but check the collagen amount per serving and keep an eye on added sugars so you are not trading benefits for extra sweeteners. Ultimately, you want your collagen supplement to match your goal, your routine, and the value of what you are paying for.

Dosage

Although some studies use up to 40g of collagen per day, determining the right dose for your goal is the key factor in getting the best results. Higher intakes are often used for joint comfort and training recovery, while 15-20g is commonly used for muscular support and 10-12g may support skin elasticity and hydration. Start with the label directions, then adjust based on tolerance and consistency.

Collagen Sources

Marine (fish) collagen is made from fish skin and bones and commonly contains Type I and III collagen peptides. Bovine (cow) collagen is made from cow hides, and also commonly contains Type I and III, and is often chosen for skin and general connective tissue support. Collagen Type II is usually sourced from sternal chicken collagen and may naturally include compounds such as hyaluronic acid, chondroitin and glucosamine, which is why it is often used in joint-specific collagen products.

Measured as kilodalton (kDa) molecules, collagen supplements are often compared because smaller peptide sizes are generally associated with easier digestion and absorption. Many hydrolysed collagen peptides sit in a lower kDa range that is designed to dissolve well and be used efficiently. Research suggests hydrolysed collagen is absorbed as dipeptides and tripeptides, which enter circulation and reach target tissues where they can help support collagen-producing cells.

Nature’s Sunshine’s Collagen combines 100% grass-fed, pasture-raised bovine collagen peptides with trace minerals and electrolytes. High strength, sustainably-sourced and containing Type I and III fibril forming, hydrolysed collagen, this formulation is certified Non GMO, Gluten Free, Dairy Free, Keto and Paleo friendly.

One serve of Nature’s Sunshine Collagen provides a whopping 17g collagen, is odourless, tasteless and mixes easily into hot or cold beverages or foods.

NeoCell Super Collagen + C provides 1,000mg of Type I & III collagen per tablet that your skin, hair and nails use to create their own collagen and other important proteins, like keratin. Plus, this collagen comes in a hydrolysed form which may become bioavailable and easily absorbed in the body. In addition, this formula delivers 10mg of vitamin C to support your cellular health and help protect skin from oxidative stress and everyday environmental exposure.

The recommended dosage of NeoCell Collagen is 6 tablets a day, to give you 6,000mg of collagen.

Younger Secrets Age-Defying Collagen contains marine collagen peptides and every serving of Younger Secrets Marine Collagen Powder contains 6000mg of a low molecular weight marine collagen peptide. This marine collagen peptide is concentrated and contains over 20 amino acids, plus the added benefits of hyaluronic acid and vitamin C that supports collagen synthesis and helps protect against oxidative stress.

You can shop our full range of collagen supplements here

FAQ

What are collagen benefits?

Collagen benefits include supporting skin elasticity and hydration, joint cartilage, and the structure of bones and connective tissue. As collagen production slows with age, collagen peptides can help provide the amino acids your body uses to maintain these tissues. Choose a dose that matches your goal and take it consistently for several weeks.

How long does collagen take to work?

Most people notice changes gradually, not overnight. Skin hydration and comfort can appear within a few weeks, while joints and muscle support often take longer because connective tissue turnover is slower. Take collagen daily and reassess after 8 to 12 weeks.

Which type of collagen is best for skin?

Type I and III collagen are commonly used for skin because they are major components of dermal structure. Marine and bovine collagen peptides typically supply Type I and III, and hydrolysed forms dissolve easily and are designed for digestion. Pair collagen with vitamin C rich foods to support collagen synthesis.

Is marine collagen better than bovine collagen?

Marine collagen is usually rich in Type I, while bovine collagen commonly provides Type I and III. The best option depends on your preferences, tolerances, and whether you want fish or bovine sourcing. Focus on a reputable product, a clear serving size, and a dose that fits your goal.

What is a good daily dose of collagen peptides?

A common daily target is around 6g for general support, with higher intakes used in some studies for specific goals. Skin focused routines often use about 10 to 12g, and higher amounts may be used for joint comfort or muscle support. Start with the label directions and increase gradually if needed.

Does collagen help joints and cartilage?

Collagen is a key component of cartilage, tendons, and ligaments, so supporting collagen intake may help joint comfort over time. Hydrolysed collagen provides small peptides that can be absorbed and used by collagen-producing cells. Combine supplementation with regular movement and strength work for best results.

Can collagen support gut health?

Collagen contains amino acids used in the lining of the digestive tract, which is why it is often discussed for gut support. It is not a quick fix, but consistent intake may complement a routine that supports digestive comfort. If symptoms are ongoing, check in with a healthcare professional while you trial changes.