Deciding Between Collagen and Collagen Peptides? We'll Tell You Which is Best (2025)

We get it. Shopping for wellness products can be a nightmare. There seems to be a product for everything you can think of, making the decision that much harder to make. However, if you're looking for the best collagen, here's what you need to know.

Collagen is an essential building block within the human body. This protein is foundational inbuilding our skin, bones and connective tissues. Elasticity in skin and durability of tendons (to name a few areas of impact) depend on the correct quantity of healthy collagen. Over time, our bodies becomeless effective at producing collagen, and the collagen we already have starts to break down. One way that people mitigate this problem is by using diet or supplements to increase collagen production. But understanding the difference between collagen and collagen peptides can be key to getting your body what it needs.

What is collagen?

Collagen is the most abundant protein our bodies produce. It is made from three chains of amino acids arranged into a helix pattern that is found in our muscles, tendons, cartilage, skin and bones.Amino acid glycine is present in most collagen chains, with proline and hydroxyproline also being common. On top of being a foundational building block, collagen is more specifically useful for things like tissue repair and healthy immune response.

There are 28 types of collagen we know of. Of these many types of collagen in the body, types I and IIImake up the significant majority. As we age, our collagen breaks down more quickly, and our body becomes less effective at producing more. (This is one of the contributing causes to aging skin.) Other factors that contribute to collagen decline include smoking, environmental pollution, excessive alcohol use and nutrient deficiencies.

What does collagen do?

As we age, our collagen breaks down at a faster rate, compounded by decreased production, so it's important to be mindful of our collagen intake. While this is important for overall body health, there are many specific benefits that people may pursue. For instance, healthy collagen levels help maintain healthy hair, skin, bones and joints.However, more research is needed to understand how effectively collagen supplements help repair tissue.

Tendons depend on collagen for strength and durability and can weaken as we age. Taking supplements may help strengthen tendons and other parts of the joints. Collagen also makes up a significant portion of our bone mass, and people often lose bone mass in older age. In some cases, increasing collagen intake through supplements may help mitigate this.

What are collagen peptides?

Collagen peptides, also known as hydrolyzed collagen, are fragments of animal-derived collagen that is broken down through a process called hydrolysis. When the collagen is hydrolyzed, it becomes more bioavailable -- the body is more effective at absorbing it.

Collagen peptides aid in producing new collagen proteins and repairing existing ones. While thorough research into these supplements is relatively new, studies are beginning to make promising findings. For instance, this study found that collagen peptide supplements can contribute to improvements in numerous traits of skin health.

What do collagen peptides do?

Numerous suspected benefits of collagen peptide supplements exist, although only a few have been seriously researched. Among those potentialbenefits include improvements to aging skin and osteoarthritis. Although these peptides are mostly consumed to repair damaged collagen, these supplements may also help with other health issues like:

What's the difference between collagen and collagen peptides?

One key difference between collagen and collagen peptides is that one is a broken-down form of the other. Collagen peptides are made by breaking animal collagen down through hydrolysis. So, while collagen is a complete protein, collagen peptides are fragments of that protein.

Whole collagen is difficult for the body to digest or absorb, while collagen peptides are significantly more accessible for the body. When taking a whole collagen supplement, your body will only be able to use a small portion of it compared to a collagen peptide supplement. This difference in bioavailability is the driving force behind collagen peptides as a collagen alternative.

Deciding Between Collagen and Collagen Peptides? We'll Tell You Which is Best (2)

It's important to emphasize that the value of collagen peptides lies in their potential to help the body repair or produce collagen. So, while collagen peptides might be a good way to get there, the end goal is whole and healthy collagen.

Which is better: Collagen or collagen peptides?

Although the end goal may be collagen, the best way to get there could be through collagen peptides. Because of the low bioavailability of collagen and the relatively high bioavailability of collagen peptides, the latter may be more beneficial for people looking to reap the benefits.

While more research is needed to determine the full range of benefits collagen and collagen peptide supplements offer, the preliminary evidence seems to support using collagen peptides. However, it's important to remember that there are different collagen types and supplements come in various formats.

Types of collagen and collagen peptides supplements

Collagen peptides are reflective of the type of collagen used in making them. Bovine and marine collagen are two examples of common sources of collagen used to make collagen peptide supplements. Both sources provide abundant Type I collagen, while bovine also provides significant Type III.

Collagen is gathered from different animals, with bovine, pork, poultry and marine animals being among the more common sources. Once extracted, the collagen can be turned directly into collagen supplements, broken down into collagen peptides or partially broken down into gelatin.

Supplements of collagen and collagen peptides can be found in powder, pill and liquid forms. Each of these contains collagen or its fragmented parts. Pills are often the same as the powder form but placed within a pill capsule. However, there is some difference between powder and liquid. Powder tends to have a higher concentration of collagen or peptides.

At the same time, liquid forms often claim higher rates of bioavailability but lower concentrations. Ultimately, the choice is a preference, but if one supplement type doesn't yield results, you might succeed with another.

Deciding Between Collagen and Collagen Peptides? We'll Tell You Which is Best (2025)

FAQs

Deciding Between Collagen and Collagen Peptides? We'll Tell You Which is Best? ›

Benefits: Both collagen and collagen peptides offer similar benefits, including improved skin health, increased hydration, and reduced signs of aging. However, collagen peptides may deliver these benefits more efficiently due to their increased bioavailability.

Which is better for you collagen or collagen peptides? ›

But to ensure your body gets all the collagen it can from supplements, opt for collagen peptides or hydrolyzed collagen. This alternative includes fragments of animal-derived collagen. Breaking down collagen makes it easier for the body to absorb in its entirety than collagen taken as a complete protein.

Which form of collagen is most effective? ›

Marine collagen is extracted from the bones, skin, and scales of fish. This is thought to be the most effective collagen for skin and bone support. Bovine collagen comes from cows and may help with joint health, but studies are still ongoing.

Is there a downside to taking collagen peptides? ›

In some individuals, collagen peptides can cause a slight increase in blood pressure. Those with existing hypertensive conditions should use such supplements with caution. In rare cases, people report an allergic reaction to collagen peptides.

What does the Mayo Clinic say about collagen? ›

"At this time, we do not have any strong evidence that any over-the-counter oral or a topical collagen supplement is good for anti-aging," she says. Topical collagen can be challenging for the skin to absorb because of its chemical structure. Dr. Davis suggests making simple lifestyle changes to increase collagen.

What is the #1 collagen supplement? ›

Vital Proteins Collagen Peptide Powder is our top pick because it's versatile, contains quality ingredients, is third-party tested, and provides 18 grams of protein per serving.

Is it OK to take collagen peptides every day? ›

Is taking collagen every day good for you? You can safely take 2.5-15 grams of collagen peptides per day. Studies show no side effects, and it may contribute to the health of your skin, joints, and muscles.

What to avoid when taking collagen? ›

5 things to avoid while supplementing with Collagen
  • Sun exposure:- One of the worst enemies of Collagen is excessive sun exposure. ...
  • High sugar diet:- Sugar interferes with your body's ability to repair itself. ...
  • Smoking:- ...
  • Alcohol :- ...
  • Lack of Sleep :-
Nov 16, 2021

What collagen does Jennifer Aniston use? ›

One of the newest products in the Vital Proteins collagen supplement line is this lemon-flavored collagen peptides formula, sourced from pasture-raised, grass-fed cows. Aniston stirs this one into a glass of water to get her 20 grams of collagen for the day.

What to look out for when buying collagen? ›

Look for collagen that comes from grass-fed, pasture-raised animals or wild-caught fish. The collagen should not have any additional fillers or additives. Overall, when choosing a collagen supplement opt for a brand that is transparent about their processes and sourcing.

When should I take collagen, morning or night? ›

Taking collagen supplements in the morning

A standard recommendation is to take it in the morning, first thing. The main reason for this is that you take the supplement on an empty stomach. This suggestion potentially has some reasoning, and we suggest you take SkinGlo on an empty stomach.

Can collagen peptides affect your heart? ›

Researchers have theorized that collagen supplements may help reduce the risk of heart conditions. Collagen provides structure to your arteries, the blood vessels that carry blood from your heart to the rest of your body.

What collagen do doctors recommend? ›

Collagen peptides are usually considered the best form of collagen for ingestion. Hydrolyzed collagen should be taken if a person wants to take a collagen supplement. Hydrolyzed collagen means the collagen has been broken down into small peptides, which are easy for the body to digest.

Should seniors take collagen? ›

Studies have shown that supplementing with collagen peptides — broken down collagen that's easier for your body to absorb — may be beneficial for older people and promote skin and bone health during aging.

Is biotin or collagen better? ›

Which is better for skin? If a person has a biotin deficiency, taking biotin may improve the health of their skin. Otherwise, collagen can be a better option as there is more evidence to suggest it helps improve the skin's appearance.

Is collagen safe for the liver and kidneys? ›

So, “does taking hydrolysed Collagen powder damage your kidneys?" Well, based on all the literary evidence, the short and simple answer is NO! To put it straight, there is no evidence that taking even extremely high daily doses of Collagen over long periods of time will have any negative impact on healthy kidneys.

Who should not take collagen? ›

Precautions When Taking Collagen Supplements

Collagen supplements may not be safe for: People with fish, shellfish, or egg allergies (collagen supplements may contain these allergens as ingredients)22. People with a Kosher or Halal diet. People with a vegetarian or vegan diet.

Which is better for skin collagen peptides or marine collagen? ›

When it comes to collagen, both marine collagen and collagen peptides have been shown to promote skin elasticity, joint health and healthy bone density. However, research suggests that marine collagen may be more effective in supporting skin health, while collagen peptides may be more beneficial for joint health.

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