The Scientific Benefits of Collagen Peptides

January 03, 2019

Collagen peptide powder in a large ceramic spoon.

The buzz about collagen peptides has been noticeable in recent months. You may have heard a few stories about them already, which usually go something like this: I started taking collagen peptide supplements and noticed a change in my skin. Everything felt healthier, more vibrant--that youthful "plumpness."

There's more to collagen peptides than just having fuller skin, but before you learn about its full range of benefits, it's helpful to have a good understanding of what collagen is and how collagen peptides are made.

First Things First: What is Collagen?

As noted in medical dictionaries, collagen comes from the Greek word kolla, which means glue, and the word genein, which means to produce. And that's the perfect description for it: connective tissue cells secrete collagen, which scientists call the glue of the body. It is found in both humans and animals.

Collagen is a very important protein in the body that functions as a primary ingredient in connective tissue: skin, tendons, ligaments, etc. It is also a big part of your bone structure and cartilage. Its interlocking chains of polypeptides make the connective tissue flexible and give it strength and tough elasticity.

Collagen's presence in your body, which is abundant in youth (but wanes in old age), gives your skin its flexible litheness and healthy plumpness. It helps your joints glide smoothly without pain, makes your tendons flexible and strong, and in general adds durability, resilience, and strength to the entire body inside and out.

Whenever you move your body, you can thank collagen for making that movement smooth, comfortable, and strong.

Why Collagen Peptides Are Beneficial

As you get older, your body produces less collagen. For that reason, researchers have looked for a way to replenish the collagen in the body because of the many important roles it plays in sustaining health.

Unfortunately, as scientists discovered, native collagen is not soluble or easily absorbed by the body. You can't take collagen in its raw form and ingest it or absorb it into your body.

However, when you break native collagen down and separate its chains of polypeptides into individual strands, you create peptides. Peptides are little chains of two or more amino acids.

Collagen peptides are very soluble. They can dissolve completely in cold water, and they are easily digested by the body. This discovery of collagen peptides gave scientists the ability to create collagen supplements in a variety of forms from pills to powder.

Scientific Evidence That Collagen Peptides Work

scientific study on collagen peptides conducted by researchers from the Department of Dermatology, University of Kiel, Germany, found evidence to support the benefits of collagen peptides. A double-blind placebo study observed that women who participated in the study and took bioactive collagen peptides consistently for eight weeks experienced a 20 percent reduction of wrinkles.

The study looked specifically at collagen peptides' effects on eye wrinkle formulation and the stimulation in the body of pro collagen I, elastin and fibrillar biosynthesis in the skin (all of which help improve the health and appearance of skin).

In addition to the 20 percent reduction of wrinkles, the study observed a statically higher content of pro collagen I (65%) and elastin (18%), which have a positive impact on dermal matrix synthesis and skin health and vibrancy.

In another scientific study about collagen peptide supplements--this one conducted by researchers from the Department of Nutrition and Sports Nutrition for Athletics, Penn State University--collagen supplements were found to stimulate the body's natural production of collagen. Collagen peptide supplements achieved this by providing the body with a bioavailable source of amino acids that stimulate collagen production.

The study also discovered that collagen peptide supplements are beneficial to bones and joints. As the study's conclusion notes:

The results of this study have implications for the use of collagen hydrolysate to support joint health and possibly reduce the risk of joint deterioration in a high-risk group. Despite the study's size and limitations, the results suggest that athletes consuming collagen hydrolysate can reduce parameters (such as pain) that have a negative impact on athletic performance.

Other Research on Skin and Bone Health

Additional studies have shown collagen peptides are a useful remedy for rough, dry skin as well as helping to counter the effects of aging. This medical study abstract summarizes this research:

Skin dryness and an accelerated fragmentation of the collagen network in the dermis are hallmarks of skin aging....Collagen peptides are used as a bioactive ingredient in nutricosmetic products and have been shown in preclinical studies to improve skin barrier function, to induce the synthesis of collagen and hyaluronic acid, and to promote fibroblast growth and migration.

The study observed that using collagen peptide supplements boosted hydration after eight weeks of use. Collagen density increased (i.e. fullness of the skin) while fragmentation of the dermal collagen network (caused by aging) significantly decreased after only a few weeks of using the supplements.

After 12 weeks of using the supplements, both benefits noted above persisted. The benefits were not short-term, in other words.

Studies have also shown that collagen peptides reduce the pain caused by osteoarthritis. In general, collagen peptides help your body age more gracefully by reducing wrinkles and keeping your joints in better shape.

Research on Stomach and Digestive Health

In some scientific research, a strong presence of collagen in the body has been shown to boost the regulation of gut acidity, as shown in this study. It's possible that having healthy levels of collagen in your body could reduce or even prevent heartburn and other similar problems.

Another study demonstrated that collagen peptides can help the gut heal and strengthen its lining. The purpose of the study was to determine if collagen production by human intestinal smooth muscle cells had any role in repairing the gastrointestinal tract.

The researchers found that it did. As the study's abstract notes:

When confluent, these cells produced significantly more collagen than human dermal fibroblasts cultured under identical conditions. The smooth muscle cells required daily replenishment of ascorbate for maximal collagen synthesis. The types of collagen produced by human intestinal smooth muscle cells in culture were the same as those collagens extracted from strictured human bowel (types I, III, and V). These findings suggest that collagen production by human intestinal smooth muscle cells has a role in the repair as well as the fibrosis of the gastrointestinal tract.

And because collagen peptides can stimulate the body to produce collagen, the research establishes a link between collagen peptide supplements and possible benefits for digestive health.

Research on Brittle Nail Syndrome and Nail Health

study on the effects of collagen peptide on brittle nail syndrome, conducted by researchers from universities in Brazil and Germany, found that collagen peptide supplements had a significantly positive effect on nails. According to the study, "brittle nail syndrome is a common problem among women and refers to nails that exhibit surface roughness, raggedness, and peeling."

The positive results were undeniable:

Bioactive collagen peptides treatment promoted an increase of 12% nail growth rate and a decrease of 42% in the frequency of broken nails. Additionally, 64% of participants achieved a global clinical improvement in brittle nails, and 88% of participants experienced an improvement 4 weeks post-treatment. The majority of participants (80%) agreed that the use of BCP improved their nails' appearance, and were completely satisfied with the performance of the treatment.

Sheer Pure Hydrolyzed Collagen Peptides Powder

An excellent way to add collagen peptides to your regimen is through a supplement in powder form. For example, the Sheer Pure Hydrolyzed Collagen Peptides Powder can be taken by adding a scoop to your water, shakes or foods. It is a carefully calibrated formula that is easy to mix and gut-friendly. It is also 100 percent pure, which means it is paleo diet-friendly, non-GMO, gluten-free, and comes from grass-fed, pasture-raised cattle.

The powder supplement will help your body reap the benefits of collagen. You'll begin to look, feel and move like your younger self as the collagen peptides get to work strengthening joints and improving elasticity and hydration in your skin. It will also support hair follicle growth and strength, which can help produce stronger, healthier, thicker hair.

People who have used this powder supplement like how it is unflavored, which means they can stir it into anything. And they have noticed its positive effects. As one reviewer wrote: "I do think this product helps my joints and makes me feel good in general. No unpleasant side effects. Would recommend to anyone looking for good collagen powder."

Another reviewer wrote this about the powder: "Absolutely love this stuff. Just started two days ago, my skin looks fantastic. Also had severe tendinitis in my right thumb joint from lifting, now the pain has subsided, thank you so much."

The Science of Replenishment

Collagen peptides are about restoring what your body once had in abundance. Whether you're experiencing a depletion of energy, a less youthful sheen in your skin, or a weakening in your joints and tendons, collagen peptide supplements will help you replenish and strengthen those things.

And it's always nice to feel refreshed and restored. Think of it as a day at the spa for your skin cells, joints, cartilage, and many other important parts of your body.

To treat your body to that kind of refreshment and replenishment, try our collagen peptide powder and other Sheer Pure products. Your body will thank you.

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