Nowadays, when many people think about their health, you must have heard them talking about "Green Tea". Many people think that this is good for losing weight, brightening the skin, and staying refreshed throughout the day. In addition to drinking green tea as a drink, it is now available in the market as tablets and capsules. But before using such a dietary supplement, there are a few things we need to know. So today, let's talk about this green tea supplement.
What is green tea? What does it actually do?
Simply put, green tea can help you improve your energy and focus. It can also be beneficial for your heart and blood vessel health to some extent. There are two main things in it. One is caffeine . This gives you a good boost and makes you feel alert. The other is antioxidants . These protect our body's cells from damage.
But the important thing here is that green tea supplements are not regulated like prescription drugs. They are called "dietary supplements." Therefore, there is no guarantee of their quality, purity, or actual effectiveness.
Things you need to tell your doctor before using this
If you are considering starting a green tea supplement, it is important to inform your doctor if you have any of the following medical conditions, as the caffeine and other ingredients in these supplements may interact with certain medical conditions.
| Do you have these conditions? | Why should you care? (Simply) |
|---|---|
| Anemia | Green tea can reduce the body's absorption of iron. |
| Bleeding disorders or taking blood-thinning medications | This can reduce blood clotting and increase the risk of bleeding. |
| Diabetes or low blood sugar levels | May affect blood sugar levels. |
| Heart disease or heart rhythm irregularities | Caffeine can increase heart rate and blood pressure. |
| High blood pressure | Caffeine can temporarily raise blood pressure. |
| Liver disease | Although very rare, there have been reports that green tea extract taken in high doses can cause liver damage. |
| Kidney disease | Use only as directed by a doctor. |
| Conditions such as stomach inflammation and gastritis | Taking it on an empty stomach may increase stomach inflammation. |
| Insomnia problems | It contains caffeine and may interfere with sleep. |
| Being pregnant or trying to get pregnant | The safety of such supplements during pregnancy has not been confirmed. |
| Being a breastfeeding mother | Caffeine can pass to the baby through breast milk. |
How should I use the green tea supplement?
This supplement is usually taken by mouth as a pill, capsule, or drink. The most important thing is to follow the instructions on the package or as directed by your doctor. If you experience stomach upset after taking this, take it with a meal. Sometimes you can also mix the tea with milk. Never take more than the prescribed dose.
What to do if the dose increases?
If you think you have taken more than you think, immediately call the National Poisons Information Centre at the Colombo National Hospital . Or go to the Emergency Treatment Unit (ETU) of the nearest hospital.
This medicine is for you only. Do not give it to others for any reason.
What if I miss a dose?
If you miss a dose, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take your next dose at the scheduled time. Never take two doses at the same time.
Other medications that may interact with this
Although green tea is natural, it can interact with some of the medications you are taking. Therefore, if you are taking any of the following medications, you should talk to your doctor before taking green tea supplements.
- Aspirin and similar medications
- Medicines that prevent blood clotting or thin the blood (e.g. warfarin, clopidogrel)
- Some medicines for colds and nasal congestion
- Some medications used to lose weight
- Some antidepressants (MAOIs)
- Iron supplements
- Types of Stimulants
- Certain medications such as Theophylline and Lithium
- Other herbal supplements such as ephedra, garlic, and ginkgo
This list is not exhaustive, so it's best to give your doctor a full description of all the medications you take (prescribed, over-the-counter, herbal, vitamins) .
Things to be careful about when using
- "Natural" does not mean "safe": This is the most important thing. Just because something comes from a plant, it does not mean it is safe for everyone, always. It can also have side effects, adverse effects.
- Before surgery: If you are having any surgery or dental treatment, tell your medical team that you are taking this supplement. You may be advised to stop taking it a few days before the surgery.
- Do not take close to bedtime: Since it contains caffeine, taking it at night may disrupt your sleep.
What are the possible side effects?
While most people don't have any problems, some people may experience side effects. Watch out for the following symptoms.
| Type of side effect | Symptoms |
|---|---|
| Serious side effects that should be reported to the doctor immediately | |
| Allergic reactions | Skin rash, itching, swelling of the face, lips, tongue or throat. |
| Symptoms of liver injury | Pain in the upper right abdomen, loss of appetite, nausea, light-colored stools, dark yellow or brown urine, yellowing of the eyes or skin, unusual tiredness. |
| Side effects that are usually not dangerous, but should be reported to the doctor if they persist | |
| Mental difficulties | Restlessness, restlessness. |
| Headache | Frequent headaches. |
| Beat | Tremors. |
How do you keep these safe?
Keep these out of the reach of children and pets. Store at room temperature, away from moisture, as directed on the package. Throw away after expiration date.
Take-Home Message
- Green tea supplements are not considered a medicine, but a "dietary supplement." Therefore, there is no strict regulation regarding their quality and safety.
- Just because something is "natural" doesn't mean it's safe for everyone.
- If you are taking medication for other medical conditions, are pregnant, or are a nursing mother, be sure to talk to your doctor before starting anything like this.
- Tell your doctor about all medications, vitamins, and herbal products you are taking.
- Seek immediate medical attention if you experience a severe side effect, such as signs of liver damage (stomach pain, yellowing of the eyes).
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