The Dr Collagen Journal
Written by the doctors who formulate it
Evidence-led writing on collagen, skin and joints from a dermatologist and an orthopaedic surgeon — including the parts of the research that do not flatter the supplement industry.
Marine Collagen: Benefits, Dose and How to Choose
Half the collagen sold in India now says "marine" on the front and hides the dose on the back. What fish collagen actually is, the peptide size that decides absorption, and a six-point label check before you buy.
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Collagen for Hair: What It Can and Cannot Do
Hair is keratin, not collagen, and most of the marketing skips that sentence. Where a collagen shot plausibly helps, where it does nothing, and why pattern hair loss needs a prescription instead.
Collagen for Women: What Changes by Decade
A woman's collagen does not decline in a straight line. What actually changes in your late twenties, thirties, forties and after menopause, and the one window where the evidence is strongest.
How to Boost Collagen Naturally (and When Food Is Not Enough)
Most advice here is a food list with no doses attached. This is the version with numbers: the vitamin C intake, the protein target most Indian diets miss, what the sun undoes daily, and the point where food stops being the answer.
Types of Collagen: 1 vs 2 vs 3 Explained Simply
There are 28 types of collagen and only three you will ever be sold. What type 1, type 2 and type 3 actually do, why hydrolysis erases the number on the label, and when that number genuinely matters.
Collagen for Men: Joints, Recovery and Skin
Collagen is not gendered, the marketing is. What actually helps gym knees, cricket shoulders and desk-job stiffness, plus the pre-training protocol most men have never heard of.
Collagen Tablets vs Capsules vs Liquid Shots
A tablet holds under 1g of collagen and the trials used 5g to 10g, which means 10 to 20 tablets a day. The arithmetic across tablets, capsules, sachets, gummies and shots, including why our own format costs you more.
Collagen Peptides: What They Are and How They Actually Work
Whole collagen is far too large to absorb, so hydrolysis cuts it into fragments that can cross the gut wall. What Daltons mean, which two dipeptides reach your bloodstream, and why peptides work as signals rather than raw material.
Collagen vs Whey Protein: Different Jobs, Not Rivals
Collagen has no tryptophan and barely any leucine, so it will never build muscle the way whey does. What it does instead, why gym-goers keep swapping the wrong one out, and when both belong in the same day.
Marine vs Bovine Collagen: Which Should You Take?
One is fish skin, the other is cow hide, and only one of them is a problem in most Indian kitchens. What actually separates the two: collagen types, peptide size, dietary fit and cost per gram.
Supplements for Knee Pain: An Orthopaedic Surgeon's Guide
Eleven ingredients graded by the evidence actually behind them — the three worth your money, the two that are oversold, and the deficiency most Indian patients don't know they have.
Collagen for Joint Pain: What the Research Actually Shows
Cartilage has no blood supply, which is why repair is slow and what you swallow matters. The trials, the doses that worked, and how collagen compares with glucosamine.
Glutathione for Skin: Benefits, Dose and Honest Expectations
The most requested and most oversold ingredient in Indian skincare. What oral glutathione does to pigmentation, at what dose — and why the IV version is a different conversation.
Collagen for Skin: What the Evidence Actually Shows
Your skin loses collagen every year from your mid-twenties. What oral collagen can and cannot do about it — peptide size, the co-factors most brands skip, and a realistic timeline.