What the collagen research actually says (and where a vegan builder fits)

Collagen marketing is loud. The research behind it is quieter, more careful, and honestly more interesting. Here is what the studies actually say about collagen, aging and supplements, with the sources named, and where a vegan builder formula like ours honestly fits in.

First, what collagen actually is

Collagen is the protein that holds you together. Around 70% of your skin's dry weight is collagen, it makes up roughly a third of the protein in your body, about 90% of the organic part of your bones, and most of the dry weight of your cartilage. In skin, it is the scaffolding that keeps everything firm and elastic.

Sources: reviews of skin biochemistry (2023); Sophia Fox et al., Sports Health, 2009.

Your body builds collagen every day out of amino acids, mostly glycine, which appears at every third position along the collagen chain. That building process has one non-negotiable requirement, and we will get to it.

What happens as we age

A classic study of skin biopsies from 148 people found that skin collagen declines steadily, by about 1% a year, through adult life. You may have read that it "starts at 25". The research never says that; the decline is simply gradual and lifelong.

Source: Shuster et al., British Journal of Dermatology, 1975.

For women there is a second chapter: dermatology research shows skin loses up to 30% of its collagen in the first five years of menopause, then around 2% a year after that.

Sources: Brincat et al., 1987; American Academy of Dermatology.

And the sun matters more than the calendar. One study of 298 women estimated that UV exposure accounts for up to 80% of visible facial aging, partly because UV switches on enzymes in the skin that break collagen down. Which is why we will always tell you to wear SPF, gummies or no gummies.

Sources: Flament et al., 2013; Fisher et al., New England Journal of Medicine, 1997.

What the desert and the AC do

This one is about hydration, not collagen, and it is worth keeping the two separate. Researchers measured what happens to skin in dry air and found that hydration drops measurably within 3 to 6 hours of exposure to a low-humidity environment, while water loss through the skin rises. Desert air outside and air conditioning inside means most of us here live in that environment around the clock.

Source: Egawa et al., Skin Research and Technology, 2002.

What the supplement research honestly says

Almost all collagen supplement research has been done on collagen peptides from fish or cattle, taken as powders at several grams a day. Reviews of those trials report modest improvements in skin hydration and elasticity, usually appearing after 8 to 12 weeks of daily use. It is also fair to say the field has critics: independent analyses note that many trials were industry-funded, and the strictest reviews are more cautious about the effects.

Two honest conclusions follow. First, even for the most-studied products in this category, nothing meaningful happens in a week; the trials themselves run two to three months. Second, those results belong to animal-derived peptides and cannot be borrowed by any other formula, including ours. Lovu contains no collagen, so we will never quote peptide study numbers at you as if they were ours.

So why build a formula with no collagen in it?

Because of how digestion works. Collagen cannot be absorbed whole; your body breaks any protein you eat into amino acids before it can use them, then rebuilds what it needs. A builder formula skips to that step: it supplies the amino acids directly, along with the co-factors the rebuilding process cannot run without.

That is the logic of Lovu's formula: glycine and glutamic acid as raw material, vitamin C as the co-factor, zinc and biotin carrying their own authorised claims for skin, hair and nails, and riboflavin, which helps the body recycle glutathione.

Glutathione, our signature ingredient at 200 mg, is the one part of the formula with directly relevant trial evidence: oral glutathione has been studied in a 12-week randomized controlled trial at a similar daily dose, where researchers measured modest, site-specific improvements in skin properties. One study, modest effects, honestly reported.

Source: Weschawalit et al., Clinical, Cosmetic and Investigational Dermatology, 2017.

Is there research on vegan builder formulas as a category? It is early. One 2024 randomized trial of a plant-based collagen-mimicking blend (a different formula from ours) performed comparably to fish collagen over eight weeks. We cite it as category context, not as proof of our jar.

What we can and cannot tell you

• We can tell you what each ingredient contributes, in the regulators' careful language, and we print every dose on the label so you can check us.
• We can tell you the biology of waiting: nails grow about 3.5 mm a month, skin renews itself roughly every 4 to 6 weeks and slows with age, and hair follicles rest for 2 to 3 months before growing again. That is why our timeline says nails first around week 4 to 6, skin around weeks 8 to 12, hair last.
• We cannot tell you that any supplement, ours included, will transform you, or that our formula has been through its own clinical trial. It has not, and the brands implying otherwise are usually borrowing someone else's study.

What we built instead is a formula where every ingredient either carries an authorised claim, has directly relevant trial evidence, or is a building block your body genuinely uses, taken in a form you will actually stick with. Daily wellness, not overnight magic.

Read further

• The full formula, ingredient by ingredient
• Vegan collagen vs marine collagen
• Why so many people in the UAE are low on vitamin D
• Glutathione and collagen together