Thats an important thing, it doesn’t. Evidence doesnt back it up and neither do Biological mechanisms.
Some will argue that youre ingesting the exact nutrients you need to produce it, but that’s exactly the same situation as ingesting other common proteins and in colagen production, the limiting and regulating factors are not availability of nutrients mainly
Collagen is definitely not absorbed to the bloodstream
Collagen supplements usually don’t have all the wonderful benefits people claim. You are correct that it will mostly be broken down into component parts before reaching the blood stream. It might have the benefit of having nearly the same ratio as what the body may need to synth it, but whether that matters much if you get sufficient general dietary protein is probably not all that likely.
Thats an important thing, it doesn’t. Evidence doesnt back it up and neither do Biological mechanisms.
Some will argue that youre ingesting the exact nutrients you need to produce it, but that’s exactly the same situation as ingesting other common proteins and in colagen production, the limiting and regulating factors are not availability of nutrients mainly
Collagen is definitely not absorbed to the bloodstream
In general, the efficacy of most supplements is debatable. If you actually read the documentation on most of them, you’ll notice that they’re rather vague on what they actually DO. In many cases, they have absolutely no scientific evidence to suggest they actually do what they claim, so they leave their claims to vague phrases like “digestive health” or “joint health”. There are also concerns about the safety of them if they did work (e.g., a supplement that claims to increase breast size and actually does? What the hell is it doing to your body to do that?)
The only supplements with any real evidence are the micronutrient ones (i.e., “vitamins”) and only if you have a specific deficiency (e.g., calcium supplements for someone who’s severely lactose intolerant).
Tldr, most supplements are at best useless or at worse harmful.
It doesn’t do anything, and it also doesn’t do anything if you put it on your skin in the form of a lotion. It’s a marketing gimmick. It might definitely contain the ingredient! But it doesn’t actually do anything, it just sits there. People just know it’s a primary reason for youthful-looking skin, so if a supplement or lotion contains it, it must be extra-good for your skin.
In general, the efficacy of most supplements is debatable. If you actually read the documentation on most of them, you’ll notice that they’re rather vague on what they actually DO. In many cases, they have absolutely no scientific evidence to suggest they actually do what they claim, so they leave their claims to vague phrases like “digestive health” or “joint health”. There are also concerns about the safety of them if they did work (e.g., a supplement that claims to increase breast size and actually does? What the hell is it doing to your body to do that?)
The only supplements with any real evidence are the micronutrient ones (i.e., “vitamins”) and only if you have a specific deficiency (e.g., calcium supplements for someone who’s severely lactose intolerant).
Tldr, most supplements are at best useless or at worse harmful.
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