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The Benefits of Collagen
Collagen seems to be everywhere, even in that infamous middle aisle of our fave discount supermarket . But what is it? Why is it so fashionable? What separates the bargain basement finds from the eye-watering pricey premium products and are they worth investing in?
Where Did All the Collagen Go?
For most of human history, nobody needed a collagen supplement. Not because collagen wasn't important, but because it was unavoidable. Pre-1970s cooking involved boiling, roasting, and simmering whole animals, bones included, often for hours at a time. Nothing was wasted. Granny's bone broth wasn't a wellness trend, it was Tuesday. And in nutritional terms, it was doing an extraordinary amount of heavy lifting.
People ate nose to tail. Offal was a staple. Bone broth was a kitchen constant. And chronic diseases like diabetes, dementia, heart disease, and obesity were nowhere near the levels we see today.
Then came the low-fat craze.
From the late 1970s onwards, lean muscle meat and convenience food took centre stage. The message was loud and persistent: fat was the enemy. Out went the slow-cooked bones, in came the ready meal, and with it, a dramatic collapse in our natural collagen intake. Big Food stepped in with processed alternatives, and we became, to use the technical term, completely and utterly addicted to nutritional rubbish.
We lost something fundamental. Our ancestors ate in a way that was in genuine symbiosis with the nutrients their bodies needed. We moved away from that, and our health has been feeling the consequences ever since.
The good news is that supplementing with high-quality collagen peptides gives you a straightforward, convenient way to get back what the modern diet took away.
So, What Actually Is Collagen?
Collagen is the most abundant protein in the body, accounting for around a third of your total protein composition. It's the structural glue that holds your entire physical self together: skin, bones, tendons, joints, muscles, organs, gut lining, blood vessels, teeth. All of it depends on collagen.
There are four main types in the body:
Type I makes up roughly 90% of your body's collagen, formed from densely packed fibres that provide structure to skin, bones, tendons, connective tissue, and teeth.
Type II consists of more loosely packed fibres found in elastic cartilage, where it cushions your joints.
Type III supports the structure of muscles, organs, and arteries, and is typically co-located with Type I throughout your body's fascia and tissues.
Type IV is found in the layers of the skin and plays a key role in filtration.
From around the age of 30, your body's natural collagen production starts to decline. Gradually at first, then with increasing urgency. The physical signs are familiar: skin loses its elasticity, joints stiffen, hair and nails become more brittle, recovery from exercise takes longer. Lifestyle factors accelerate this process: chronic stress, processed food, alcohol, sugar, vegetable oils, and exposure to chemicals all chip away at collagen levels faster than time alone would.
Collagen Peptides: The Bioavailable Difference
Here's where it gets important. You can't just eat collagen from an animal and expect your body to absorb it directly. The native collagen proteins in animal hides and bones are too large for your gut to absorb. This is why the form of your supplement matters.
Hydrolysed collagen peptides are native collagen that has been broken down into smaller chains of amino acids, making them bioavailable, meaning your body can actually absorb and use them. They're remarkably stable molecules, surviving heat without breaking down, and dissolving easily into any liquid, hot or cold, without affecting the taste. A completely odourless, flavourless supplement that you can add to coffee, soups, sauces, smoothies, or your children's pasta without anyone ever knowing. Sneaky nutrition at its finest.
Your body takes those absorbed peptides and amino acids and uses them as building blocks to produce its own collagen. It's not a shortcut. It's giving your body exactly what it needs to do the job itself.
Collagen Is Not a Beauty Product
This is important enough to say directly: collagen is not just for your skin, hair, and nails. The collagen industry has developed an unfortunate habit of marketing to the surface, treating people as collections of visible parts rather than whole, interconnected systems. The subtext of a lot of collagen advertising is that women should be interested in their complexion and men in their muscle mass, and not much else beyond that.
At WillPowders, we find that reductive to the point of being genuinely unhelpful. Collagen is present in all eleven of your vital systems. It plays a structural role in your heart, bowel, bladder, organs, gut lining, and immune function. Tending to your collagen intake is not an act of vanity, it is an act of care for the whole of you.
Yes, you'll see benefits on the outside too. Great skin looks great on any gender. But if you're only hearing about collagen in the context of wrinkles and nail growth, you're missing most of the story.
Tasteless Collagen!
Another great thing about bovine collagen peptide powder is you cannot taste it. It is completely odourless and flavourless. This makes it the perfect sneaky nutrition for all the family. Bobbing it in your child’s pasta sauces, beans, drinks, whatever tea time consists of, is a great way to boost their dopamine and balance out the carbohydrate/ protein dance. And the beauty of bovine collagen, they will never know!
The Amino Acids Behind the Benefits
Collagen contains 18 to 19 amino acids depending on the source. Amino acids are the building blocks the body is constantly seeking. If you live in a persistent state of craving, that low-level hunger that resists willpower, the chances are your body is searching for more amino acids, not more food.
Three amino acids in bovine collagen are worth highlighting in particular: glycine, proline, and hydroxyproline. These are the building blocks that maintain the structural health of skin, bones, muscles, tendons, ligaments, blood vessels, and organs.
Glycine is the standout. It's the most abundant amino acid in collagen and an extraordinary all-rounder. It helps control insulin and blood sugar, supports detoxification, improves sleep quality and mood, and plays a central role in gut health. It has also been shown to help manage diseases of the gut including Crohn's disease, ulcerative colitis, and inflammatory bowel disease.
Hydroxyproline is worth noting too: it's twice as abundant in bovine collagen as it is in fish skin collagen, which matters when you're choosing between bovine and marine options.
Seven Reasons to Take Collagen Daily
1. Sleep quality
Glycine has been shown in human studies to improve sleep quality and reduce next-day fatigue. It may also help regulate core body temperature, which is closely tied to how restorative your sleep actually is. Taking collagen before bed is a worthwhile habit if you struggle to switch off or wake feeling unrefreshed.
2. Gut health
The gut is your largest mucosal lining and a central part of your immune system. When it becomes inflamed, its ability to distinguish between what should and shouldn't enter the bloodstream is compromised. Small food particles can leak through the gut wall, triggering an immune response that creates further inflammation, and, over time, contributes to autoimmune conditions. Collagen is a natural component of the gut's connective tissue and lining. Regular supplementation, thanks in particular to glycine, supports repair and maintenance of the tight junctions your intestines depend on.
3. Joint and bone health
As collagen production declines, cartilage breaks down and joint pain can follow. Supplementing with collagen provides the raw materials your body uses to maintain and repair joints, cartilage, and bones. It's particularly useful for those managing arthritis or the kind of background ache that builds up from a stressful, high-activity life.
4. Skin, hair, and nails
Collagen makes up around 70% of your skin. Supplementing supports elasticity, reduces the appearance of wrinkles, can decrease cellulite, and contributes to stronger, healthier hair and nails. These are genuine, clinically supported benefits. They're just not the only benefits worth talking about.
5. Muscle strength and recovery
Collagen's glycine content supports your body's production of creatine, which has a well-documented role in muscle strength and athletic recovery. Research has shown that pairing collagen supplementation with strength training can accelerate both fat loss and muscle growth. Collagen is also easier to digest than many popular protein powders, making it a smart pre- or post-exercise option.
6. Weight management and satiety
If you practise intermittent fasting, or simply want to extend the time between meals without caving to cravings, 2 to 4 grams of collagen added to your morning drink will not break your fast. It helps your cells to heal and reboot through the process of autophagy, while keeping the cravings at bay. The amino acids in collagen satisfy what your body is actually looking for, which is often why cravings persist in the first place.
7. Organ and cardiovascular health
Types I and III collagen are co-located not just in skin but throughout your vital organs, including the heart, bowel, and bladder. Supporting collagen production supports the structural integrity of these systems. This is the part of the collagen story that rarely makes it onto a supplement label, but it's arguably the most important reason to take it consistently.
Why Bovine, and Why Source Matters
Not all collagen supplements are equal, and source matters more than the industry often admits.
Bovine collagen is the most complete option for most people because it provides both Type I and Type III collagen peptides. Marine collagen, by contrast, only supports Type I. If joint, muscle, and organ health are as important to you as skin (and they should be), bovine is the more comprehensive choice.
Provenance matters beyond the species choice too. Cattle fed on cheap, oil-heavy feed produce collagen of a lower nutritional quality than grass-fed cattle reared on biodiverse pasture. Some cheaper bovine collagen products come from herds fed fish meal or vegetable oils, which is both nutritionally questionable and, frankly, deeply strange when you think about it. When you're buying a health supplement, knowing what the source animal ate is not a niche concern.
WillPowders Hydrolysed Bovine Collagen Peptides comes from the hides of Swiss, grass-fed cattle. The Swiss Alps offer some of the most biodiverse, nutrient-rich grazing land in the world. Free-roaming cattle feeding on grass, herbs, and wild alpine plants produce a consistently high-quality raw material. No vegetable oils. No fish meal. No compromises on provenance.
Swiss grass. Swiss cattle. Cattle hide. That's it.
Making It Part of Your Life
The practical advantage of collagen peptides is how easy they are to use consistently. They dissolve into anything. Hot coffee, cold smoothies, soups, sauces, bakes, your children's dinner. There's no taste, no texture, no fuss.
For a complete amino acid profile, pairing bovine collagen peptides with a quality bone broth powder covers the bases that collagen alone doesn't. Tryptophan, for example, which supports serotonin, melatonin, mood, and sleep, isn't present in collagen but is found in bone broth. Across the two products, your body gets access to the full range of amino acids it needs for maintenance and repair, without the two-day bone-simmering commitment that your great-grandmother somehow found time for and the rest of us absolutely do not.
Supplementing well doesn't have to be complicated. The goal is to give your body what it needs, consistently, without it adding to the load. That's what collagen peptides, used daily, do.
Further Reading & References
Disclaimer
Our blogs are written with love in the hope that they go some way in helping you feel like the rockstar you are, and whilst we do our due diligence, research like maniacs and fact check our stuff, we know everyone’s journey is different. They are intended to educate and empower you, not usurp medical advice. We would never advise you to stop, adjust, or modify any prescription medication without the direct supervision of your healthcare practitioner, but don’t be afraid to talk to your doctor about your new found knowledge, brought to you by the marvels of nature because they don't know everything! Blogs are always informed by Davinia but often written by a member of the team. Not all blogs reflect Davinia's experiences and sometimes provide alternative perspectives
