Laboratory glassware — a pipette, two empty petri dishes and a stoppered vial — lit softly on a deep plum surface

Kura Mynis Safety Testing: What the Laboratory Results Show

Kura Mynis went through acute oral toxicity and cell viability testing at the School of Pharmacy, Lincoln University College. Here are the exact results, and an honest account of what they do and do not show.

Before you take anything every day, there is one thing worth settling first: is it safe to take? Kura Mynis was put through laboratory safety testing at a Malaysian university school of pharmacy, and this page reports exactly what that testing found — including what it did not find.

What this page is. A plain account of the laboratory safety testing carried out on the Kura Mynis formulation. Kura Mynis is a food supplement, not a medicine, and is not intended to diagnose, treat, cure or prevent any disease.

01 — Who tested it

Where this testing was done


The work was carried out by the School of Pharmacy, Lincoln University College (Wisma Lincoln, SS 6/12, 47301 Selangor, Malaysia) and reported in January 2026, using cell cultures and animals under published international protocols.

This is the stage of testing that exists to answer one question well: is the substance tolerated? It is the standard first step, and the protocols used are the ones laboratories worldwide follow so that results can be compared.

Two parts of that work are worth publishing, because both produced clean results that speak directly to safety.

02 — The acute toxicity test

A single dose far above any normal serving


The standard first question in safety testing is blunt: give a large single dose and see what happens. This follows a published international protocol, OECD Test Guideline 423, which exists so that results from different laboratories can be compared.

Kura Mynis was given as a single oral dose at 6,000 mg per kg of body weight. The animals were watched continuously for the first two hours, then daily for fourteen days.

What was measuredResult over 14 days
MortalityNone
Signs of toxicityNone observed
Behavioural and motor changesNone observed
Body weight, start208.43 ± 19.30 g
Body weight, day 14215.10 ± 21.82 g
Change+6.67 ± 0.94 g — normal gradual gain

Acute oral toxicity, OECD 423. Three adult female Wistar rats, 200–350 g.

Twelve observational parameters were checked at two hours, day one and day fourteen: fur and skin, eyes, salivation, respiration, urination, stool consistency, diarrhoea, sleep, itching, motor activity, grip strength, and convulsion or tremor. Every one was recorded as normal or absent, in every animal, at every timepoint.

How large is 6,000 mg/kg? It is the upper limit dose used in this class of test — the protocol does not routinely go higher, because a substance that causes no harm at that level is not going to be informative at a larger one.

Using the body-surface-area conversion normally applied between rats and humans, it corresponds very roughly to the region of 50 grams or more for a 60 kg adult, taken all at once. That is far beyond any realistic daily serving. The useful figure is not the precise human number but the margin: the gap between a normal daily serving and a dose that produced no observable effect at all is very wide.

03 — The cell test

What happened to human liver cells


The second test asks a different question: does the formulation damage living human cells when it is in direct contact with them?

This used an MTT assay, a standard laboratory method that measures how many cells in a dish are still alive and metabolically active after treatment. Live cells convert a yellow dye into purple crystals; the deeper the colour, the more living cells there are.

The cells were Hep-G2, a human liver cell line. Liver cells are the right choice here for an obvious reason: the liver processes everything you swallow, so it is the tissue most exposed to anything taken daily.

A row of empty glass petri dishes and a microscope slide on a pale lavender surface
Cell viability testing is done in dishes like these — the formulation in direct contact with living cells, with nothing to protect them.
ConcentrationCell viability after 24 hours
Untreated cells100% (reference)
20 µg/ml100.25%
40 µg/ml99.96%
60 µg/ml94.61%
80 µg/ml92.66%
100 µg/ml91.66%

MTT assay, Hep-G2 human liver cell line, 24-hour treatment. IC50 not reached within the tested range.

Hep-G2 cell viability by concentration0255075100Untreated cells = 100%100.25%99.96%94.61%92.66%91.66%20406080100Concentration (µg/ml)Cell viability (%)
Viability never fell below 91.66%, and no IC50 was reached — the concentration that would kill half the cells was never found within the range tested.

At the highest concentration tested, more than nine in ten cells were still alive. No IC50 was reached — meaning the concentration that would kill half the cells was never found within the range tested. In a cytotoxicity screen that is the result you want: the formulation did not behave as a cell poison.

One clarification, because it matters. Hep-G2 is derived from a liver cancer and is used worldwide as a standard laboratory stand-in for human liver cells. Its use here says nothing whatsoever about cancer, in either direction. It was chosen because it is the conventional model for liver-cell testing, and that is the only reason.

Download

The safety data, as a document you can keep

Both tables on this page — the acute oral toxicity results and the full cell viability series — together with the limits set out below. Useful if you want to show it to a pharmacist or your doctor.

Download the safety data (PDF)

PDF, 2 pages. Prepared by Bykare Sdn Bhd from the preclinical evaluation carried out by the School of Pharmacy, Lincoln University College, January 2026.

04 — Scope

What this testing covers


Between them, the two tests establish something specific and worth having: at the doses examined, the formulation showed no acute toxicity, and it was not cytotoxic to human liver cells.

  • A food supplement, not a medicine. Kura Mynis is not a treatment for any condition and is not a substitute for prescribed medication.

05 — The practical answer

So is it safe to take?


For a healthy adult taking it as directed, the laboratory evidence points the same way as the ingredient list does. Kura Mynis is built from food-grade ingredients — a citrus bioflavonoid complex, white bitter melon, yuzu, inositol, acacia gum and InSea2® brown seaweed — not from pharmaceutical actives. The testing above found no acute toxicity and no cell toxicity.

But generally safe is not the same as safe for you, and the honest answer depends on your situation rather than on our laboratory report.

06 — Check first

Who should speak to a doctor or pharmacist first


  • Anyone taking medication for blood sugar. This is the important one. If you are on any glucose-lowering medication, do not add or stop anything without your doctor knowing. The risk being managed is your blood sugar going too low, and that is a real risk, not a formality.
  • Anyone who is pregnant or breastfeeding.
  • Anyone on prescription medication of any kind. Soluble fibre can affect how some medicines are absorbed; ask your pharmacist about timing.
  • Anyone with a diagnosed liver or kidney condition.
  • Anyone with a seafood or shellfish allergy, because of the brown seaweed component.
  • Children. Kura Mynis is formulated for adults.

And if you recognise the warning signs of high blood sugar — persistent thirst, frequent urination, unexplained weight loss, blurred vision, slow-healing wounds — the right next step is a doctor and a blood test, not a supplement. Those signs need a diagnosis.

Yes. Kura Mynis is built from food-grade ingredients and has been through laboratory safety testing at the School of Pharmacy, Lincoln University College. A single oral dose of 6,000 mg/kg — the upper limit dose for that protocol — produced no mortality, no signs of toxicity and no behavioural changes across fourteen days of observation, and human liver cells stayed above 91% viability at the highest concentration tested.

One thing worth raising first: if you already take medication for blood sugar, tell your doctor or pharmacist before adding anything alongside it.

Six food-grade ingredients in a single daily sachet: a citrus bioflavonoid complex, white bitter melon, yuzu, inositol, acacia gum and InSea2® brown seaweed. Each of those links goes to a page on what the ingredient is and what the published research on it measured.

No toxic or behavioural effects were observed in the acute oral toxicity test described above. The most likely everyday effect is digestive rather than toxic: Kura Mynis contains soluble fibre, and any increase in fibre intake can cause temporary bloating or wind. Introduce it gradually and drink enough water. Stop and speak to a healthcare professional if anything unexpected persists.

Ask your doctor or pharmacist first, and do not treat that as a formality. If you are already on glucose-lowering medication, anything added alongside it needs to be known to the person managing your treatment, because the risk being watched for is blood sugar dropping too low. Bring the ingredient list to the appointment.

The School of Pharmacy at Lincoln University College in Selangor, Malaysia, in work commissioned by Bykare and reported in January 2026. The same School ran both the acute oral toxicity protocol and the cell viability assay.

Disclaimer. This article is for general information only and is not medical advice. Kura Mynis is a food supplement and is not intended to diagnose, treat, cure or prevent any disease. Individual results vary. Consult a qualified healthcare professional before starting any supplement, particularly if you are pregnant, breastfeeding, taking medication or managing a diagnosed condition.

Kura Mynis is a daily pre-meal drink made from white bitter melon, yuzu, inositol, acacia gum, InSea2® brown seaweed and a citrus bioflavonoid complex.