Collagen supplements are gaining traction, and more research is emerging on their benefits. Collagen is essential for skin, bones, and joints, and supplementation can support these areas.

But let’s break it down: what are collagen supplements, how do they function, and what’s the ideal dosage? And is 1,000 mg of collagen enough?

We’re here to guide you through the collagen maze and show you how these supplements can be a game-changer for your health.

What is Collagen?

Collagen is the most abundant protein in the body. It is the primary structural component of skin, bones, muscles, tendons, and ligaments. It is the glue that holds everything together, providing strength, elasticity, and support throughout the body.

As we age, our natural collagen production declines, which can contribute to wrinkles, joint pain, and other signs of aging, leading some to consider collagen supplementation.

Types of Collagen Supplements

Many collagen supplements list a blend of types I, II, III, and often others, such as types V and X. Let’s explore the first three options.

Type I Collagen

Type I collagen is the body’s primary form of collagen, found in tendons, skin, organs, bones, ligaments, and even teeth. Its rigid and stiff fibers give tissue strength and durability [1].

Type II Collagen

Type II collagen is more concentrated in tissues with compressive loads, such as articular cartilage and bone growth plates. It is also found in tendons near bone insertion points [1].

Type III Collagen

Type III collagen is associated with tissues with more elastic fibers, including skin, blood vessels, and muscles [1].

Forms of Collagen Supplements

You can find collagen as a powder, capsule, liquid, or ingredient in packaged food and drinks.


Powders

Many people prefer powders because they can be adjusted for dosage and have a long shelf life. The larger volume of their doses allows for more ingredients, such as vitamins or hyaluronic acid.

Capsules

Capsules are great if you don’t like the taste of supplemental powders or liquids. However, they may be harder to absorb, and you cannot customize your dose as easily.

Liquid Forms

Like powders, liquid supplements are easily digested and readily customized in dose. They are often flavored and contain additional ingredients.

Collagen-Infused Foods and Drinks

You can also buy snacks and drinks with collagen as an ingredient. These are typically sweet treats such as chocolate bars, fruity protein-rich bars, and instant coffee or mocha powders.

Sources of Collagen

Collagen supplements typically come from meat and fish, but plant-based sources are available.

Animal-Based

The top source of collagen in supplements is beef byproducts. Because beef is widely available and highly compatible with the human body, most products use bovine collagen extracted from bones, tendons, and other connective tissue [1].

Pork is another primary source of collagen. It’s similar enough to be used in surgeries to repair hernias and tendons, but religious and cultural restrictions on pork can make it unsuitable.

Marine-Based

Pescatarians may prefer to use marine collagen, which is usually taken from fish scales. It’s sometimes derived from sea sponges and jellyfish, too. Many lab and clinical studies show that marine collagen is highly bioavailable and may have benefits ranging from wrinkle reduction to improved wound healing [2].

Plant-Based

As an animal protein, true collagen cannot come from plants. However, you can find supplements that feature proline, glycine, and hydroxyproline from plant-based sources. These are the main amino acids that make up collagen.

What Are the Symptoms of Too Much Collagen?

The symptoms of too much collagen in your supplement can include nausea and diarrhea [3]. However, as your body is responsible for making new collagen in response to supplementation, you can only have “too much” if you overdo it with cosmetic injections.

What Is the Recommended Collagen Dosage?

We found that clinical studies use anything from 300 mg to 10 g per day. The recommended dosage of collagen supplements depends on the exact product, but there are a few standard guidelines.

How Much Collagen Should I Take Daily?

Research into the optimal collagen dose suggests you need at least 10 grams daily for the best results. The 10 g estimate assumes a body weight of 60–70 kilograms, translating to 153 mg per kilogram [4]. This dose increases your blood levels of collagen peptides enough to give the benefits seen in clinical studies.

However, the study only answered the question of how much collagen a woman needs daily to function optimally, as the average American woman weighs a little over 70 kilograms. The typical American man weighs around 90 kilograms, so the male dose may be around 15 grams [5].

What’s more, these figures are higher than those in other studies. They should be a guide if you use collagen to recover from an injury or intense physical activity, such as a sports event.

How Many Mg of Collagen Per Day for Skin?

You may be wondering, “How much collagen should I take for wrinkles?” According to a 2019 German study, you need around 2.5–5 g, which translates to 2500–5000 mg [6].

How Much Collagen a Day for Hair?

A clinical trial discussed further below successfully tested collagen capsules with a daily dose of 300 mg [7]. However, it included other ingredients such as cysteine, selenium, and iron. As many who prefer capsules ask, “Is 1,000 mg of collagen enough?” The answer may only be a “yes” for improving hair health.

What Are Common Types of Collagen Supplements?

You may see collagen supplements listed as hydrolyzed, undenatured, or gelatin.

Hydrolyzed Collagen

Hydrolyzed collagen is the collagen protein broken up into peptides. They include many proline-containing compounds such as Pro-Hyp and Pro-Hyp-Gly. Lab studies suggest that the Pro-Hyp peptide is most important for improving joint connective tissue repair and preventing calcium buildup [4].

Undenatured Collagen

Undenatured collagen is usually type II collagen. It’s often used to promote tolerance to your body’s collagen so your immune system does not produce as much of an inflammatory response [3].

Gelatin

Gelatin is a protein made from animal collagen. When heated, it becomes denatured, so it does not contain functional collagen. However, older research has suggested benefits in reducing joint pain and improving hair and nail health [4].

Benefits of Taking Collagen

As the main connective tissue protein, collagen may have many benefits, from improving skin elasticity to muscle mass, bone health, and cardiovascular health.


Improved Skin Elasticity

One of the most popular uses for collagen supplements is as a remedy for skin aging. A trial on women over 35 found that they significantly improved skin elasticity, density, and hydration. Elasticity scores rose from 0.69 to 0.81 over 12 weeks, or by around 17%.

The authors then mentioned similar improvements in women over 45, who are more likely to see significant collagen losses without treatment [6].

Improved Nail and Hair Health

Your nails and hair are “accessory” parts of your skin, and collagen may benefit them. A small study on collagen for brittle nails demonstrated that it can reduce broken nails by 42% and improve nail growth by 12% [8].

Certain types of hair loss, particularly male-pattern hair loss and stress-induced hair loss, may respond well to collagen supplementation.

A 12-week trial found that 85% of people taking a collagen preparation saw improved hair growth, compared to almost half taking conventional drugs. On a scale from -3 (much worse) to 3 (much improved), the collagen group had an average score of 1.67, and half had a score of 2 or 3. The drug-only group’s average score was 0.6 [7].

Recovery of Lost Cartilage Tissue

Studies show improved pain, stiffness, and mobility in people taking beef and pork-derived collagen. These benefits are not only because collagen provides the building blocks of tissue repair but also because of its anti-inflammatory properties [9]. Users on Reddit in r/supplements describe rapid relief of joint pain, among other benefits.

Increased Bone Mineral Density in Postmenopausal Women

Collagen may help postmenopausal women at risk for osteoporosis. A trial in which women took 5 g of collagen daily for four years demonstrated a 5.79–8.16% increase in bone density (BMD) in the spine and a 1.23–4.21% increase in the femur [10].

Bone Loss Prevention

The gains in the above study are compared to the expected loss of BMD. The participants’ actual BMD was stable or slightly improved, but the loss that happens without treatment is significant [10]. If you’re asking, “How much collagen per day for a woman in menopause is ideal?” 5 g is the best answer.

Wound Healing

Wound healing requires connective tissue repair, so collagen can speed up the process. A trial on younger and older volunteers showed that collagen supplements significantly boosted healing in collagen-producing fibroblasts and the tough, keratin-producing cells on the skin surface [11].

Enhanced Muscle Mass

It’s not just your connective tissue that may benefit from collagen. Hydroxyprolyl-glycine (Hyp-Gly), one of the main dipeptides in hydrolyzed collagen, may signal to muscle cells and fibers that it’s time to divide and grow [12].

A 2023 trial published in the Journal of Bioscience, Biotechnology, and Biochemistry showed an increase in fat-free mass by 1.8% in women taking collagen, double that of the exercise-only group. Their body fat percentage fell by 1.8%, too.

If you’re a big collagen fan, you may be wondering, “How much collagen should I take a day for weight loss?” The ideal daily dose is 15 g [12]. This is higher than other studies we found, but it may be necessary with intense physical activity.

Anti-Aging Support

Collagen may offer anti-aging support through a mechanism that few other treatments can touch. A study on Japanese people from 47 to 87 years of age found that collagen peptides reduced advanced glycation end-products (AGEs) in the skin by over 5% [13].

AGEs are inflammatory substances made from unused sugars that become tangled in tissue protein. The cycle of tissue destruction they cause may be an underlying driver of biological aging.

Protection for the Heart and Cardiovascular System

While collagen is essential to heart tissue, collagen supplements may protect your cardiovascular system in other ways. Research shows they could significantly reduce blood pressure and lipid and cholesterol production. Their anti-inflammatory and antioxidant effects can also protect your heart and blood vessels [14].

Potential Side Effects & Considerations When Using Collagen Supplements

Collagen has few side effects but may cause an unpleasant mouthfeel or digestive discomfort.

Common Side Effects

Collagen mainly causes digestive problems such as nausea.

Digestive Issues

Some people may experience nausea, diarrhea, or flatulence from collagen supplements. They sometimes have a slimy texture and may taste odd.

If you have sensory sensitivities that may bother you, consider starting with a lower dose and gradually increasing it or taking the supplement with food. You may also want to consider choosing a hydrolyzed form of collagen, which may be easier to digest.

Bad Taste or Aftertaste

Some collagen supplements, particularly unflavored powders, can have a distinct taste or leave an unpleasant aftertaste. This can make them less palatable and harder to consume regularly. To minimize this:

  • Mix the powder with strongly flavored beverages like smoothies or juices

  • Consider flavored collagen options

  • Opt for pills (capsules or tablets) if taste is a significant concern

Heartburn

Indigestion is another common side effect of collagen due to its consistency and digestibility. If you’re prone to heartburn, it’s advisable to take collagen with food, avoid taking it too close to bedtime, and consult your doctor if heartburn persists.

Allergic Reactions

Finally, you may be allergic to supplemental ingredients, such as fish- or egg-derived collagen.

Collagen Supplement Considerations

The low potential for supplement-drug interactions and dosages are two key considerations to keep in mind.

Interactions with Medications

Collagen is unlikely to interact with medications. It does not create a barrier over the digestive tract lining or affect how liver detoxification processes work.

However, if you take narrow therapeutic index (NTI) drugs that must be present at certain levels in your body, consult your doctor first. This is because a small number of people experience digestive problems.

Source of Collagen

Collagen from animal sources may be traced back to businesses with little to no animal welfare standards. It’s best to choose grass-fed beef. If you are vegan, remember to double-check every ingredient label.

Dosage

Ensure that the actual dose of collagen hydrolysate you consume is sufficient. You need at least 100–150 mg of hydrolyzed collagen to see a benefit, so watch out for fillers and additional ingredients that may be unnecessary [3].

Body weight and size are other vital considerations. How much collagen per day is needed for a woman? It may be around 30% lower than it is for a man, especially if you need whole-body tissue repair support.

Who Should Be Cautious With Collagen Supplements?

People with allergies or indigestion may need to be cautious when taking collagen.

Individuals With Certain Allergies

Certain collagen supplements may be unsuitable for you if you have allergies to fish, shellfish, or eggs. Although many of the best collagen supplements feature a blend of beef, chicken, egg, and fish-derived peptides, you may require an alternative that only uses beef sources.

People With Specific Medical Conditions

Collagen is generally safe for the vast majority of people. However, if you have indigestion issues, you may notice worsened discomfort after taking collagen.

Tips for Choosing High-Quality Collagen Supplements

When picking a collagen supplement, focus on the quality of the ingredients and third-party testing to ensure they don’t contain toxins.

Read the Label and Ingredient List

Always read the label to avoid allergens. Check for supportive ingredients like vitamin C, zinc, and silica that aid collagen production.

Look for Third-Party Testing and Certifications

Third-party lab testing with certifications is crucial. These tests confirm the product’s contents, ensuring that what’s on the label matches what’s inside.

Factors to Consider When Determining Collagen Dosage

Your goals, dietary needs, and health are key when deciding your daily collagen dose. Here’s what to prioritize.

Health Goals and Lifestyle

Your health goals matter. Younger customers needing collagen for skin, hair, and nails might need just 1–2 grams. Those with active lifestyles aiming to boost muscle growth and joint health may need 10–15 grams.

Dietary Restrictions

Consider dietary needs. Check for any allergens in the ingredients before trying a new product, such as fish or eggs.

Consultation With a Healthcare Professional

Collagen is well-tolerated in most people. However, consult a healthcare professional first if you have digestive issues or trouble absorbing supplements.

Remember, collagen isn’t a substitute for treatments like hormone replacement therapy or antibody therapy for autoimmune disorders. It is crucial to know the difference between peptide vs steroid hormone-based interventions.

How to Incorporate Collagen Into Your Daily Routine

The best way to take collagen is to choose a time when drinking an extra glass of water is most convenient. This could be just before bed or before breakfast. If it slows digestion or makes you feel full, take it on an empty stomach.

What Is the Best Way to Take Collagen?

To take collagen effectively, choose a hydrolyzed powder with a good flavor (if any) and identify a time in your schedule with minimal interruptions.

Best Collagen Supplements to Try

With so many collagen supplements on the market, it can be hard to find the best one. Based on the ingredients and dose, these are the three that we consider high-quality.

1. Organifi Collagen

Organifi’s collagen supplement contains a high collagen dose of 10 g per serving. This comes from a blend of beef, chicken, fish, and egg yolk-derived sources for a highly bioavailable blend. They are also certified glyphosate residue-free.

Price

  • 1-month supply: $54.95 or $48.64 for subscribers

  • 3-month supply: $132.66 or $113.70 for subscribers

  • 6-month supply: $246.36 or $208.44 for subscribers

What Customers Think

Customer feedback on the official website reveals differing opinions. Rita states that the collagen powder blends nicely with juice, milk, and other drinks, without a gritty aftertaste. In contrast, Nina says it’s “hard to tell if it is making a difference” but finds it drinkable, albeit unenjoyable, while acknowledging its protein content [15].

2. Oweli Collagen Peptides

Oweli Collagen Peptides provides 16g of protein from hydrolyzed bovine/chicken collagen and bovine/chicken bone broth, with the specific sources varying by flavor (Unflavored, Chocolate, and Vanilla). The product is offered with a 100-day money-back guarantee on every order.

Price

  • 1-month supply: $54.99 or $49.49 for subscribers

What Customers Think

To find balanced reviews of Oweli Collagen Peptides, consider checking Reddit or Quora. The product is not available on Amazon and lacks a Trustpilot page.

3. Health Nutrition Premium Collagen Complex

If you don’t want to take powders, Health Nutrition Premium Collagen Complex offers a convenient solution in capsules. Three capsules deliver a 1,500mg dose, suitable for skin, hair, and nails. Like Oweli, they have a long money-back guarantee of 100 days, perfect for people taking collagen for musculoskeletal conditions that may be slower to respond.

Price

  • 1-month supply: $24.99 or $19.99 when you subscribe

What Customers Think

Like Oweli Collagen Peptides, consider checking online forums like Reddit or Quora for balanced feedback on Health Nutrition Premium Collagen Complex reviews.

FAQs About Collagen Supplements and Dosages

Here are answers to some common questions about collagen supplements.

Can I Take Too Much Collagen?

Too much collagen can cause digestive issues due to excess intake beyond your absorption capacity.

How Long Does It Take to See Results From Collagen Supplements?

As supported by clinical research, expect to see results in about 8 to 12 weeks.

Are There Any Vegan Collagen Options?

Yes, vegan collagen alternatives exist. They boost collagen production by including key peptides like proline, hydroxyproline, glycine, vitamin C, and zinc.

How Much Collagen Should I Take Daily?

Most studies on collagen suggest that 2.5 to 15 grams per day is generally safe and effective for adults. Lower doses (around 2.5-5 grams) are often used for skin health, while higher doses (up to 15 grams) may benefit joint health and muscle mass.

Is 1,000 mg of Collagen a Day Enough?

For specific issues like stress-related hair loss or brittle nails, 1,000 mg daily might be sufficient. However, you may have a more specific question about collagen: “How much collagen peptides should I take daily?” Well, the normal recommendation is a minimum of 2.5 g, making 1,000 mg (1g) a lower dose.

Is 20 g of Collagen a Day Too Much?

A 20-gram dose can be suitable for larger body weights, injury recovery, or as a short-term loading dose. Studies have shown that up to 386 mg per kilogram of body weight is safe.

When Should I Take Collagen, Morning or Night?

You can take collagen in the morning or at night, depending on what fits your schedule best.

Final Thoughts

Collagen’s potential benefits are clear, from supporting skin elasticity to promoting joint health. However, determining the right amount for you is key. This guide was meant to help you understand the different types and sources of collagen, as well as crucial dosage factors.

And if you’re seeking a high-quality option, Organifi Collagen impresses with its sugar-free approach and varied multi-collagen blend.

Let’s give a summary answer to the question that brought you here: “How much collagen should I take a day?” If you weigh 60 kilograms, a typical recommendation is 6,000 mg of collagen per day. Research supports doses from 300 mg to 15 g, with lower amounts for hair and nails and higher doses for joints and muscles.

Regardless, always ask your doctor how much collagen you need.

References

  1. León-López, Arely et al. “Hydrolyzed Collagen-Sources and Applications.” Molecules (Basel, Switzerland) vol. 24,22 4031. 7 Nov. 2019, doi:10.3390/molecules24224031

  2. Hexsel, Doris et al. “Oral supplementation with specific bioactive collagen peptides improves nail growth and reduces symptoms of brittle nails.” Journal of cosmetic dermatology vol. 16,4 (2017): 520-526. doi:10.1111/jocd.12393

  3. Van Vijven, J P J et al. “Symptomatic and chondroprotective treatment with collagen derivatives in osteoarthritis: a systematic review.” Osteoarthritis and cartilage vol. 20,8 (2012): 809-21. doi:10.1016/j.joca.2012.04.008

  4. Shigemura, Yasutaka et al. “Dose-dependent changes in the levels of free and peptide forms of hydroxyproline in human plasma after collagen hydrolysate ingestion.” Food chemistry vol. 159 (2014): 328-32. doi:10.1016/j.foodchem.2014.02.091

  5. “Anthropometric Reference Data for Children and Adults.” Centers for Disease Control and Prevention, Jan. 2021, www.cdc.gov/nchs/data/series/sr_03/sr03_039.pdf.

  6. Bolke, Liane et al. “A Collagen Supplement Improves Skin Hydration, Elasticity, Roughness, and Density: Results of a Randomized, Placebo-Controlled, Blind Study.” Nutrients vol. 11,10 2494. 17 Oct. 2019, doi:10.3390/nu11102494

  7. Milani, Massimo, et al. “Efficacy and Tolerability of an Oral Supplement Containing Amino Acids, Iron, Selenium, and Marine Hydrolyzed Collagen in Subjects with Hair Loss (Androgenetic Alopecia, AGA or FAGA or Telogen Effluvium). A Prospective, Randomized, 3-Month, Controlled, Assessor-Blinded Study.” Skin Research and Technology, vol. 29, no. 6, 2023, p. e13381, doi:10.1111/srt.13381.

  8. Kumar, Suresh et al. “A double-blind, placebo-controlled, randomised, clinical study on the effectiveness of collagen peptide on osteoarthritis.” Journal of the science of food and agriculture vol. 95,4 (2015): 702-7. doi:10.1002/jsfa.6752

  9. Zdzieblik, Denise et al. “Specific Bioactive Collagen Peptides in Osteopenia and Osteoporosis: Long-Term Observation in Postmenopausal Women.” Journal of bone metabolism vol. 28,3 (2021): 207-213. doi:10.11005/jbm.2021.28.3.207

  10. Mistry, K et al. “Potentiating cutaneous wound healing in young and aged skin with nutraceutical collagen peptides.” Clinical and experimental dermatology vol. 46,1 (2021): 109-117. doi:10.1111/ced.14392

  11. Jendricke, Patrick et al. “Specific Collagen Peptides in Combination with Resistance Training Improve Body Composition and Regional Muscle Strength in Premenopausal Women: A Randomized Controlled Trial.” Nutrients vol. 11,4 892. 20 Apr. 2019, doi:10.3390/nu11040892

  12. Koizumi, Seiko et al. “Ingestion of a collagen peptide containing high concentrations of prolyl-hydroxyproline and hydroxyprolyl-glycine reduces advanced glycation end products levels in the skin and subcutaneous blood vessel walls: a randomized, double-blind, placebo-controlled study.” Bioscience, biotechnology, and biochemistry vol. 87,8 (2023): 883-889. doi:10.1093/bbb/zbad065

  13. Jalili, Zahra et al. “Effects of collagen peptide supplementation on cardiovascular markers: a systematic review and meta-analysis of randomised, placebo-controlled trials.” The British journal of nutrition Vol. 129, 5 (2023): 779-794. doi:10.1017/S0007114522001301

  14. Jendricke, Patrick et al. “Specific Collagen Peptides in Combination with Resistance Training Improve Body Composition and Regional Muscle Strength in Premenopausal Women: A Randomized Controlled Trial.” Nutrients vol. 11,4 892. 20 Apr. 2019, doi:10.3390/nu11040892

  15. “Collagen.” Organifi, https://www.organifishop.com/products/collagen. Accessed 21 Apr. 2025.

Claudia is a health coach helping clients create healthier habits and move from emotional eating and yo-yo dieting to a more mindful and balanced relationship with food and life.