Who should take type 2 collagen?

Author: Dr. Citlalli O'Hara MD  |  Last update: Saturday, November 8, 2025

Collagen type II is used for osteoarthritis. It is also used for other types of joint and muscle pain, but there is no good scientific evidence to support these other uses. Don't confuse collagen type II (native) with collagen peptides, collagen type I (native), or gelatin.

Who should not take collagen type 2?

Pregnancy and breast-feeding: There is not enough reliable information about the safety of taking collagen type II if you are pregnant or breast-feeding. Stay on the safe side and avoid use. Egg or chicken allergies: People who are allergic to chicken or eggs should not use collagen type II.

Do I need type 2 collagen?

In short, type II collagen is the type you should look out for in supplements if you want to specifically improve your joint health. If you are looking for collagen for beauty and anti-aging benefits such as younger-looking skin, healthier hair, and stronger nails – type I is the best choice.

What is the difference between Type 1 and Type 2 collagen?

Type I collagen consists of two identical chains of α1(I) and one chain of α2; it is the major connective tissue protein of skin, bone, tendon, dentin, and some other tissues. Type II collagen consists of three identical chains of α1(II); it is found in cartilage, cornea, vitreous humor, and neural retinal tissue.

Is type 2 collagen good for gut health?

Type II collagen helps build cartilage, joint health, maintain our gut lining therefore supporting digestive health and support immune function. All types of collagen are most efficiently supported with vitamin-C rich foods or hyaluronic acid supplements.

Top 8 Benefits of Taking Collagen Supplements | Doctor ER

What are the side effects of collagen type 2?

In some cases, Undenatured Collagen Type Ii may cause side effects such as nausea, diarrhoea, lethargy, mild loss of appetite, constipation, and stomach ache. Most of these side effects do not require medical attention and will resolve gradually over time.

What happens to your body when you start taking collagen?

According to a 2021 review published in the International Journal of Dermatology, compared with those who do not supplement with collagen, taking collagen every day for 90 days is linked to better hydration and elasticity. Additionally, collagen takers may experience fewer wrinkles on their skin.

Is collagen safe for the liver and kidneys?

“Collagen supplementation is healthy for most people but those who have conditions that impact the kidneys who should refrain from taking them,” says nephrologist and functional medicine practitioner Majd Isreb, M.D., an assistant professor at Elson S.

Which form of collagen is most effective?

For skin improvement and joint support, hydrolyzed collagen peptides are often considered the most effective due to their high bioavailability.

Can type 2 collagen rebuild cartilage?

Collagen type II is a promising material to repair cartilage defects since it is a major component of articular cartilage and plays a key role in chondrocyte function.

How long should I take collagen type 2?

When taken by mouth: Collagen type II is possibly safe when used short-term. It's been used safely in doses up to 40 mg daily for up to 24 weeks. Some people might have stomach problems after taking collagen type II.

What vitamins should you not take with collagen?

Vitamins that have antioxidant effect can also act as pro oxidants, and these pro oxidants can oxidize collagen's amino acids. In other words, taking high amounts of vitamin C with collagen might be counter productive.

Why is type 2 collagen the best?

What are type II collagen's main benefits? The primary benefit of undenatured CII appears to be improvement in joint pain, mainly in the context of osteoarthritis and rheumatoid arthritis. Hydrolyzed CII (also known as CII hydrolysate) may improve skin health/appearance and reduce joint pain.

At what age should you not take collagen?

Best of all, it's never too late to start taking collagen. Whether you are starting to notice subtle, early signs of ageing or want to counter more visible signs of getting older, people of all ages can benefit from taking collagen supplements to boost their collagen production.

What collagen do doctors recommend?

Type I collagen provides the biggest range of potential benefits. It is the most abundant form in connective tissue, including skin, tendons, and ligaments, and is a main structural component of bones.

Can collagen have negative side effects?

Collagen is considered to be well tolerated with no major side-effects. Minor side-effects include: a feeling of heaviness in your stomach. mild diarrhoea.

What collagen does Jennifer Aniston use?

Vital Proteins Collagen Peptides Powder

“My go-to collagen routine is adding Vital Proteins Collagen Peptides in my morning cup of coffee or smoothie — so easy to use," Aniston says. "Love this stuff, use it every day," a five-star fan says.

Who should avoid taking collagen?

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.

Why do I feel weird after taking collagen?

While intended to promote beauty from within, collagen supplements may have a negative impact on your digestive system. Some individuals report experiencing digestive discomforts such as bloating, gas, and even diarrhoea after taking collagen supplements.

Which food is high in collagen?

The 12 Best High-Collagen Foods
  • Bone Broth.
  • Fish and Shellfish.
  • Chicken.
  • Beef.
  • Egg Whites.
  • Citrus Fruit.
  • Berries.
  • Garlic.

Should I take collagen in the morning or at night?

Empty Stomach: The good news is that collagen can be taken at any time of day, with or without food. Your body will efficiently break down and absorb the collagen peptides and individual amino acids, regardless of when you consume them.

What are the symptoms of too much collagen?

When you have too much collagen, your skin can stretch, thicken, and harden. It also can cause damage to internal organs, such as the heart, lungs, and kidneys.

Is liquid collagen better than powder?

While many supplement brands claim that liquid collagen is absorbed better, the scientific studies aren't there to back it up– so don't worry if you're using the powdered form. And remember, you don't have to take collagen supplements in order to be healthy.

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