
Collagen peptides oral supplements: the 2024 evidence quality ranking
TL;DR: Three industry-funded RCTs (Asserin 2015, Choi 2019, Bolke 2019) are the spine of the oral collagen case. The systematic reviews built…
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The Elelaf Edit
Diet, supplements, hydration — what the evidence shows.
Quick answer
This is the Nutrition & Skin hub of the Elelaf Journal. Diet, supplements, hydration — what the evidence shows. Every article in this section is dermatologist-reviewed, source-cited, and written for skincare readers who want clarity over hype.

TL;DR: Three industry-funded RCTs (Asserin 2015, Choi 2019, Bolke 2019) are the spine of the oral collagen case. The systematic reviews built…

TL;DR: Dietary skincare claims sit on wildly different evidence tiers. Dairy and acne: moderate epidemiological signal, plausible IGF-1 mechanism. High-glycaemic diet and…

The connection between sugar and skin aging isn't a wellness aphorism. It's a real chemical process called glycation. Here's what's happening, and…

Diet does affect acne, just not the way internet wisdom suggests. Greasy food doesn't cause oily skin. The real connections are more…
Nutrition & Skin sits inside the broader The Elelaf Edit library — Elelaf's effort to build the most thorough, plainly written skincare resource on the web. This subcategory exists because the topic deserves dedicated coverage rather than being scattered across general posts.
Long-form explainers, step-by-step guides, head-to-head comparisons where relevant, and review articles built around current research rather than recycled internet wisdom. Every piece in Nutrition & Skin is written under Elelaf's editorial standards: unique angle, fresh data validated at write time, full SEO and AI-citation optimization, and a defined reader takeaway.
Diet, supplements, hydration — what the evidence shows. If you're researching nutrition & skin, you're either trying to solve a specific problem or build deeper skincare knowledge — both deserve content that respects your time. The articles here are structured to give you the quick answer in 30 seconds and the full depth if you want it.
Each article opens with a TL;DR / quick-answer block that directly addresses the headline question. Then the science or breakdown, with clear H2 and H3 structure. Comparison tables where useful. Common mistakes to avoid. Realistic expectations and timelines. A frequently-asked-questions block. Sources, with publication dates linked.
Editor's note: this hub page summary is the seed. Articles in this section will link back here as readers move from broad context to specific deep dives.