Have you heard of collagen, collagen hydrolysate, or collagen peptides before?

Maybe you recognize the word “collagen” in the context of the beauty industry, from a product or ingredient that claimed to “boost your skin’s natural collagen production”. But did you know? Edible, ingestible forms of collagen can benefit not only your skin, but also your hair, nails, joints, and gut.

What is collagen?

Collagen is the most abundant protein in the human body, and without the necessary amino acids to create collagen, our bodies struggle to produce enough of it.

Enter: supplemental collagen, better known as either collagen peptides or collagen hydrolysate. This single ingredient protein powder, made from the bones and connective tissues of mammals or marine life, can help support our bodies ability to make its own collagen. Similar to gelatin in amino acid content, one key difference between the two is that collagen peptides dissolve easily in either hot or cold beverages, without gelling (as gelatin does).

While in previous generations we’d have gotten collagen through eating nose-to-tail (including consumption of connective tissues and homemade bone broths, and the soups and stews made from them), in recent times, we don’t get nearly as much of it in our daily diets.

Which brand do you use, and what benefits have you experienced?

I’ve been using Great Lakes Collagen Hydrolysate on and off for the last few years. While I was originally purchasing on Amazon, there’s now a custom-sized 7-ounce container currently available at most Trader Joe’s grocery stores for only $9.99!

One of my favorite benefits to taking collagen has been the difference I’ve seen in my hair and nails. My hair is stronger, and has grown longer than it ever has before – and much more quickly. My nails rarely break, which is a big deal for me.

Years ago, in my pre-collagen days, I struggled with brittle nails that would easily split, chip, or crack. Today, I only deal with slightly more brittle nails once or twice a year, in the few weeks immediately following removal of a gel manicure. Ladies, as you know, this process can definitely cause some strain on our natural nails! Although, knowing how much my nails have improved, it’s possible things could be a lot worse post-gel *without* consistently including collagen as part of my routine.

Additionally, one of the major gut-health benefits of collagen is how rich it is in the amino acid, glycine. It aids in digestion of fatty acids, and helps to maintain appropriate levels of acidity in the digestive tract. Glycine is also involved in the body’s ability to make serotonin, a key hormone and neurotransmitter for healthy mood and sleep.

How can I use it?

My favorite way to incorporate collagen into my diet, is to simply blend 12g worth (depending on the brand, that’ll either be 1 scoop or 2) into hot coffee. For some great blended coffee recipes using collagen, check out my hashtag, #rfstcoffee on Instagram.

This form of collagen is odorless, tasteless, and as mentioned before, dissolves easily in hot or cold beverages. You can even add a few scoops to your favorite baked good recipes to up their nutrient density a bit.

Adding collagen to your morning smoothie boosts protein to increase satiety, so you can more easily get from breakfast to lunch without feeling ravenous. It also creates a better macronutrient balance to a blend that can oftentimes only include fruit, veggies, and maybe a little nut butter.

Another reason I prefer collagen over other protein powders, is that there are many folks today that deal with sensitivities to eggs or dairy – the basis for many protein powders on the market. While each type of protein powder offers a unique blend of amino acids, if you’re someone who has a sensitivity to dairy or eggs, collagen could be something to try, as it is free of both.

What should I look for when I buy?

When purchasing a collagen protein powder, quality DOES matter. Look for grass-fed or pastured cattle sources, which will help you avoid possible environmental toxins. If you prefer collagen from marine sources, there are many available options via Amazon, though the brand I’ve heard folks most often refer to is from Vital Proteins. I’ve not personally used marine collagen to date.

Other brands of grass-fed, cattle-sourced collagen I’ve enjoyed over the years include Sports Research, Zint, and again, Great Lakes.

Ready to learn more?

What I’ve provided above is a brief overview to get you started if you’ve been “collagen curious”. That said, it’s also incredibly important to do your own research, and find what works for you.

When it comes to any type of supplementation, it’s always best to check with your doctor or practitioner first. Remember, they are a member of your health care team, and together you can figure out what’s best for you and your unique needs.

Below you’ll find additional resources I’ve rounded up to offer even more information on collagen and its benefits. Check out these articles, and share them with your doc or practitioner.

Mind Body Green | Collagen Peptides: Everything You Need To Know…

WebMD | Collagen: ‘Fountain of Youth’ or Edible Hoax?

Amy Myers, MD | Top 7 Health Benefits of Collagen & How to Get More of It

Healthline | How Collagen Can Boost Your Body’s Skin, Muscle, and Gut

Recipes from this blog that use collagen:

• Mixed Berry & Greens Smoothie

Chocolate-Coated Pecan Bars

Keto-friendly Lemon & Chia Seed Muffins


As always, thanks for joining me here on the blog, and feel free to leave any collagen questions below. If I don’t have the answer, I’ll do a little research, and share a link with what I find!


Notice of Disclosure: Amanda Behrens / Real Food Store Tours, LLC is a member of the Amazon Associates affiliate program, as well as an affiliate of Kasandrinos, LLC. As such, please note that if you purchase an item via a link from this page, I may receive a small commission on your purchase, which helps support the work I do. Thanks in advance for your purchase!

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