The Edit
How collagen works, when to expect results, and what the research actually says. Written for people who read before they buy.
The Edit
Liquid Collagen vs Powder vs Tablets
The Short Answer: There is no published human study comparing how well collagen is absorbed from a liquid, a powder or a tablet. Not one, in either direction. Anyone quoting you an assimilation per...
Read moreHow to Read a Collagen Supplement Label
The Short Answer: The single most important number on a collagen label is the milligram content of hydrolysed collagen peptides per serving. Not the blend weight. Not the collagen complex total. Th...
Read moreCollagen Side Effects: What the Research Actually Shows
The Short Answer: Hydrolysed collagen is a food protein. The individual trials that recorded adverse events, among them Proksch et al. (2014), Bolke et al. (2019) and Reilly et al. (2024), reported...
Read moreReady-to-Drink Collagen Shots UK
The Short Answer: Ready-to-drink collagen shots deliver pre-dissolved collagen peptides in a fixed, pre-measured serving. The advantage is not a higher dose ceiling, powders average more collagen p...
Read moreMarine Collagen in the UK: Dose, Format and Cost Compared
The Short Answer: What separates one marine collagen from another is dose per serving, source and type, format, the cofactors alongside it, and cost per gram. Across 72 UK collagen products surveye...
Read moreIs Expensive Collagen Worth It?
The Short Answer: Sticker price tells you very little. The number that tells you something is cost per gram of hydrolysed collagen. A £25 powder at 5,000mg a serving works out at £0.17 a gram. Aura...
Read moreDo Collagen Supplements Actually Work?
The Short Answer: The trials on oral collagen are real, and almost every individual one of them was paid for by a collagen manufacturer. What matters is what the research actually contains: how man...
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Collagen and Menopause: What Changes and What Helps
Skin collagen production declines by roughly 1 to 1.5% a year from the mid-twenties (Reilly & Lozano, 2021), and in the years after menopause that rate accelerates to about 2.1% a year as oestr...
Read moreAura is 15,000mg of hydrolysed marine collagen, Types I and III, plus 12 actives, in a 25ml shot. Every dose is printed on the pack. The collagen is not counted as one of the 12, and neither are th...
Read moreCollagen Supplement Doses: What 72 UK Products Contain
In August 2026 we opened the live product page of 72 collagen supplements sold in the UK and recorded the dose each manufacturer states for its own serving. The mean was 6,950mg. The median was aro...
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