alt Hacker NewsI'm here for two probably contradictory comments.
The first is collagen: I'd love to see Lowe's take on recent peer review which says boosting oral collagen does appear to show signs of improved joint pain and skin resilience. Obviously modulated through how protein deprived you are, but for older people, eating enough protein can be an issue: it's not rapidly absorbed so you need 3 squares a day to get to the higher numbers. Collagen powders and vitamin C (oj) at breakfast might kick start this.
The second contradictory point is that this entire thread makes me want to shout GELL MAN AMNESIA because it's an exercise in otherwise intelligent people who can distinguish between anecdata, their personal experience and some cold hard facts in their core field, but not when it's self injecting unknown chemicals from China bought off-script.
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For the first one, I assume you mean a systematic review, not a peer review? I guess you're talking about this one:
https://pmc.ncbi.nlm.nih.gov/articles/PMC10180699/
It has a Mechanism section which explains that when collagen is digested, one of the products of that is Gly-Pro-Hyp, which is what has the effects. I don't think that conflicts anything in this post?
> you need 3 squares a day to get to the higher numbers.
> Collagen powders
In that case if you're eating collagen powder you could be eating just regular protein powder then?
I want to point out your own contradictory comments about absorption and specifically mentioning a typically highly processed food (orange juice), one which has been stripped of its natural fibers and flavors.
That age group (and all others) should be eating real/whole fruit or having the juice fresh (I.e. just juiced). They would be better served getting this advice than creating more anxiety about protein intake.
Note that there is research showing that whey protein powder has exactly the same effects as collagen, for much lower price.
Mechanistically it makes sense, as I understand the ingredients in Collagen are largely a subset of the ingredients in whey powder, albeit at different ratios.