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Olympus - 5 G
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Zinc Oxide (12.5mg) + Coenzyme Q10 (200mg) + L-Carnitine L-Tartrate (1000mg) + Astaxanthin 10% (16mg) + Lycopene 6% (2500mcg)
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Testact Duo is used for this medicine is used in the treatment of skin conditions, skin care, nutritional deficiency, support during recovery, antioxidant supplementation, protein supplementation, nutritional support and recovery and convalescence.
Medically reviewed by Dr. Balaji Krishnan, MBBS · Updated September 2026
Testact Duo contains Zinc Oxide (12.5mg) + Coenzyme Q10 (200mg) + L-Carnitine L-Tartrate (1000mg) + Astaxanthin 10% (16mg) + Lycopene 6% (2500mcg). It belongs to the Skin preparation, Antioxidant / trace element supplement and Protein and amino-acid supplement class of medicines.
This medicine combines 5 active ingredients: Zinc Oxide, Coenzyme q, L-carnitine L-tartrate, Astaxanthin and Lycopene. Zinc Oxide acts on the skin to treat or soothe the condition it is prescribed for. Coenzyme q supplies a nutrient that helps protect body cells from everyday oxidative wear and supports normal immune function. L-carnitine L-tartrate supplies protein and amino acids, the building blocks your body uses to repair and maintain muscle and tissue. Astaxanthin supplies a nutrient that helps protect body cells from everyday oxidative wear and supports normal immune function. Lycopene supplies a nutrient that helps protect body cells from everyday oxidative wear and supports normal immune function.
Use this medicine as your doctor has directed. Follow the dose and the duration written on your prescription.
Take it exactly as your doctor prescribed. Do not change the dose or stop early on your own.
Take it as soon as you remember. If your next dose is almost due, skip the one you missed — never take two doses together to catch up.
An overdose of this medicine is unlikely from skin use; swallowing the preparation may cause stomach upset. It can cause vomiting, stomach pain and, with some minerals, damage over the longer term. It may cause stomach upset and, with prolonged excess, puts avoidable load on the kidneys. Do not wait for symptoms to appear — go to the nearest emergency department and take the pack or strip with you.
Most side effects of Testact Duo are mild and settle as the body adjusts. Reported side effects include:
Stop the medicine and seek help immediately for a rash, swelling of the face or lips, wheezing or difficulty breathing. Tell your doctor about any side effect that persists or worries you.
| Pregnancy | Consult doctor |
|---|---|
| Breastfeeding | Consult your doctor before using this while breastfeeding. |
| Alcohol | Use with caution |
| Driving | Not expected to affect your ability to drive. |
| Kidney | Consult your doctor if you have kidney disease. |
| Liver | Use with caution if you have liver disease — your doctor may adjust the dose or monitor your liver function. |
| Habit forming | No |
For external use only, unless the pack says otherwise. Stop if the skin becomes more irritated, and see a doctor if the condition worsens or spreads. Do a small test patch first if you have sensitive skin. A supplement supports a normal diet; it does not prevent or treat infection. Zinc on an empty stomach commonly causes nausea — take it with food. Very high doses of vitamin A over a long period can be harmful, particularly in pregnancy. Do not take several products containing the same nutrient at once; the totals add up. Tell your doctor before taking a protein supplement if you have kidney disease — the protein load matters. Drink plenty of water while taking a protein supplement. Check the label for milk or soy if you have an allergy or are lactose intolerant.
Not for anyone with a known allergy to this medicine or to any ingredient in the pack. Not for use on broken or infected skin unless prescribed. Not for people with inherited disorders of amino-acid metabolism, or with a known allergy to the protein source.
No significant interactions are expected from preparations used on the skin. Zinc and other minerals reduce the absorption of some antibiotics — separate them by a few hours. Tell your doctor if you take a blood thinner, as high-dose vitamin E can add to its effect. No significant medicine interactions are expected for most protein supplements.
Store in a cool, dry place away from direct sunlight. Keep out of reach of children.
Apply a thin layer to clean, dry skin. Wash your hands after use. Take it with food to reduce nausea. A varied diet remains the best source of these nutrients. Mix it as directed on the pack; a thicker mix is not a stronger one. Use it alongside meals, not instead of them, unless your dietitian has said otherwise.

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The information on Testact Duo is compiled from the manufacturer's prescribing information and the sources below, and is reviewed by a registered medical practitioner. It does not replace advice from your own doctor.