By the Ancient Nutra Editorial Team

Most collagen ends up in a cupboard because the routine around it never settles. A scoop in a glass of water tastes of very little and feels like a chore. Tie it to something you already make every morning, and it becomes a two-minute habit instead of a decision.

This recipe does exactly that. It pairs Ancient Nutra's Collagen Powder with a glass of pink guava juice and fresh lime, with a coffee version for mornings when juice is not on the menu. Below the recipe is the part most collagen pages leave out: an honest account of what the research supports, and how long to give it before you decide.

What you need

How to make it

1. Pour the juice first. Fill a tall glass about three quarters full, leaving room to stir without spilling.
2. Add the collagen to the liquid, not the other way round. Tip one level scoop onto the surface of the juice. Powder dropped into an empty glass tends to stick to the bottom.
3. Stir for 20 to 30 seconds. A long spoon works best. Hydrolysed collagen dissolves without clumping, so the juice should look unchanged once it is mixed.
4. Squeeze in half a lime. Stir once more and taste. The lime sharpens the guava and lifts the drink.
5. Add ice if you want it cold, then drink it with or straight after breakfast.

Yields one glass. The actual hands-on time is about two minutes, most of it squeezing the lime.

The coffee version

Brew your coffee as usual, then stir one scoop into the cup for 20 seconds. The product page states the powder dissolves in hot or cold liquids without changing the taste, so the cup should taste like plain coffee. Have a piece of fruit with breakfast to cover the vitamin C side of the pairing.

Why this pairing works

Collagen is the structural protein in skin, tendons, ligaments and bone. When you swallow it, it is digested into amino acids and short peptides like any other protein, and the body draws on those fragments when it builds its own collagen. The full explanation sits in what collagen supplements actually do, and what they cannot.

That building step needs vitamin C. MedlinePlus, the US National Library of Medicine's consumer health service, lists forming collagen among vitamin C's core jobs, and names citrus fruits, papaya, mango and pineapple among the richest food sources. So the lime is not a garnish. It puts the cofactor in the same glass as the protein.

Guava (pera in Sinhala) is the base because it is a common fruit in Sri Lanka, thick enough to carry the powder, and sweet enough that the drink needs no added sugar.

Variations

• Papaya and lime: blend half a cup of ripe papaya with water, then stir in the collagen and lime as above.
• Orange or pineapple: swap the guava for fresh orange or pineapple juice, both listed among the richest vitamin C fruits.
• Capsules instead of powder: if stirring is not for you, Ancient Nutra's Collagen 60 Capsules take the drink out of the routine entirely. They use marine collagen, so skip them with a fish or seafood allergy.
• No fresh fruit at home: pair the coffee version with Ancient Nutra's Vitamin C 60 Capsules instead.

What to realistically expect, and when

Be honest with yourself about the timeline. A 2021 meta-analysis of 19 randomised trials with 1,125 participants (de Miranda 2021) found hydrolysed collagen improved skin hydration, elasticity and wrinkles against placebo, and its authors pointed to around 90 days of use.

A 2025 meta-analysis of 23 trials (Myung and Park 2025) found the same pooled benefit, then split the trials by who paid for them. In studies without industry funding, and in the higher quality studies, the effect disappeared. Both findings are real, and you deserve to know both.

So treat the drink as a fair, bounded test: up to about 90 days, the period the positive trials actually ran. Note how your skin feels at the start, then stop and assess honestly at the end rather than continuing by default. If nothing has changed, the habit has done its job by giving you a clear answer. More on why that window matters is in why supplements take 8 to 12 weeks.

Two practical notes. All supplemental collagen comes from animals, so it is not suitable for a vegan diet. And if you have a medical condition, are pregnant, or take prescription medicine, check with your doctor before adding any supplement.

The bottom line

This is a two-minute drink that makes collagen easy to remember and pairs it with the vitamin C the body needs to use it. The evidence for skin benefits is mixed, so run it as a time-limited test with a real decision at the end. If you want to try it, Ancient Nutra's Collagen Powder is the scoop that goes in the glass.

Collagen Powder 100g

Hydrolysed collagen that stirs into juice, water or coffee, hot or cold.

Shop Collagen Powder

Sources and further reading

• de Miranda RB, Weimer P, Rossi RC. Effects of hydrolyzed collagen supplementation on skin aging: a systematic review and meta-analysis, International Journal of Dermatology, 2021;60(12):1449-1461, PubMed.
• Myung SK, Park Y. Effects of Collagen Supplements on Skin Aging: A Systematic Review and Meta-Analysis of Randomized Controlled Trials, American Journal of Medicine, 2025;138(9):1264-1277, PubMed.
• Vitamin C, MedlinePlus, US National Library of Medicine.

Written by the Ancient Nutra Wellness Team. The team researches, sources, and tests every ingredient before it earns a place in an Ancient Nutra blend. Questions? Email info@ancientnutra.com or message Ancient Nutra on Instagram.

Medical disclaimer: This article is for educational purposes only and is not medical advice. Statements have not been evaluated by the FDA. Ancient Nutra products are not intended to diagnose, treat, cure, or prevent any disease. Speak with a qualified healthcare provider before starting any new supplement, especially if you take prescription medication or have a medical condition.