What are the benefits of drinking black tea?
Black tea is a tea made from Camellia sinensis, and its mature leaves and stems can also be used for pharmaceuticals.
Black tea can be used to boost the spirit, improve learning, help the brain to remember and process information, and can also be used for the following purposes:
- Treat headaches and hypotension
- Prevent heart diseases, like Atherosclerosis, Heart Attack, etc.
- Prevent Parkinson’s Disease
- Reduce the risk of Stomach Cancer, Colon Cancer, Lung Cancer, Ovarian Cancer, Breast Cancer.
Black tea can also be used to improve Type 2 Diabetes, stomach problems, vomiting, and diarrhea.
It can also be used as a diuretic to increase urination. Some people also use Black tea to prevent tooth decay and Kidney Stones. Black tea can also be used with other drugs. To lose weight.
Black tea function
There is currently not enough research to prove the efficacy of Black tea, so please seek the help of a physician for more information.
However, it is now generally determined that Black tea contains 2% to 4% caffeine, which will affect thinking ability and mental status, increase urine output and may reduce the symptoms of Parkinson’s disease.
In addition, Black tea also contains ingredients such as Antioxidants, which can protect the heart and blood vessels.
Black tea precautions
Please consult a physician or pharmacist if:
- Pregnancy or lactation: If you are pregnant or breastfeeding, you should only take the medicine recommended by your doctor.
- Are taking other medicines: including prescription medicines, or medicines without a prescription.
- Allergic to any substance containing Black tea: or allergic to other drugs or herbs.
- Suffering from other diseases: for example, disorders of the physiological system, or any other health conditions.
- Allergies to certain substances: such as food allergies, artificial colors, preservatives, or animal allergies.
Compared with the regulation of medicines, the regulation of herbal medicines is less strict, and more research is needed to prove its safety.
Before use, please make sure that the benefits outweigh the risks. It is recommended to consult an herbalist or physician for more information.
Is it safe to drink Black tea?
Drinking the right amount of Black tea is no problem for most adults.
However, if you drink too much Black tea, for example, drinking more than 5 cups a day, it may not be safe. In addition, it may be unsafe to consume a large amount of Black tea containing more than 10 grams (g) of caffeine. Such a dose may have a fatal risk. , Or cause other serious side effects.
- Children: The caffeine content in general foods is probably safe for children.
- Pregnant women: Use a small amount of Black tea, which should be safe and harmless. However, do not drink more than 3 cups a day because 3 cups of black tea contain 200 milligrams (mg) of caffeine. Ingesting more than 200 milligrams of caffeine during pregnancy may increase miscarriage, Sudden Infant Death Syndrome, fetal absorption of caffeine, Risk of low birth weight, etc.
- Breastfeeding women: Drinking more than 3 cups of black tea a day during breastfeeding may not be safe and can cause irritation and increased gastrointestinal motility in the baby.
- Anemia: People who lack iron can drink too much black tea, which may make anemia worse.
- Anxiety Disorders: The caffeine in Black tea may worsen anxiety disorders.
- Abnormal bleeding: Caffeine may slow blood clotting. Although this phenomenon has not yet appeared on the human body, if you have abnormal bleeding, you need to be careful.
- Heart disease: Black tea contains caffeine, which may cause arrhythmia. If you have heart disease, please use Black tea with caution.
- Diabetes: Black tea contains caffeine, which may affect blood sugar. If you have diabetes, please use Black tea with caution.
- Diarrhea: Black tea contains caffeine, which may exacerbate diarrhea if ingested in large amounts.
- Seizures: Black tea contains caffeine, and ingesting a large amount of caffeine may cause seizures or reduce the effectiveness of epilepsy prevention drugs. If you have had epilepsy, do not consume large amounts of caffeine or any products containing caffeine.
- Glaucoma: Black tea contains caffeine, which will increase intraocular pressure within 30 minutes and last for at least 90 minutes.
- Hormone-Sensitive Conditions patients, such as breast cancer, Uterine Cancer, ovarian cancer, Endometriosis, Uterine Fibroids: Black tea is similar to estrogen. If you have a disease that will be worsened by estrogen, do not use Black tea.
- High blood pressure: Black tea contains caffeine, which may increase blood pressure in people with high blood pressure. However, a similar situation does not occur in people who often drink Black tea (or other caffeinated beverages).
- Irritable Bowel Syndrome: Black tea contains caffeine, which may exacerbate diarrhea and worsen colorectal irritability if ingested in large amounts
- Osteoporosis: Drinking black tea may cause calcium to be excreted during urination, affecting bone health. Therefore, do not consume more than 300 milligrams of caffeine (that is, 2 to 3 cups of black tea) in one day. You can add more calcium Make up for the lost part. In addition, elderly women with genetic diseases related to vitamin D should also use Black tea with caution.
- Overactive Bladder: Black tea contains caffeine, which may increase the incidence of overactive bladder, and black tea may make the symptoms of patients with overactive bladder worse, so the patients concerned should be used with caution.
Potential side effects of using Black tea
Because black tea contains caffeine, excessive intake may cause mild to severe side effects, such as headache, nervousness, sleep problems, vomiting, diarrhea, irritability, arrhythmia, shaking, heartburn, dizziness, tinnitus, convulsions, unconsciousness clear.
Moreover, people who ingest a large amount of Black tea or other caffeinated beverages may develop Psychological Dependence.
But not everyone will have the side effects mentioned above, and not all side effects are listed here, so please consult your physician for any doubts related to side effects.
Potential interactions using Black tea
Black tea may interact with drugs or illnesses taken by individuals, so please confirm with your doctor before taking it. Please note the following drugs that may interact with Black tea:
1. Adenosine: Black tea contains caffeine, which may reduce the efficacy of adenylate. Physicians usually use adenylate to perform a cardiac test called Cardiac Stress Test.
Therefore, do not use Black tea or other products containing caffeine in the first 24 hours of this test.
2. Antibiotics: The human body decomposes caffeine to eliminate it, and some antibiotics may reduce the rate at which the human body decomposes caffeine.
Simultaneous use of Black tea and antibiotics may increase the risk of side effects, such as throbbing, headache, and rapid heartbeat.
Antibiotics that reduce the rate of caffeine breakdown include Ciprofloxacin, Enoxacin, Norfloxacin, Sparfloxacin, Trovafloxacin, and Grepafloxacin.
3. Cimetidine: Black tea contains caffeine. The human body will expel the caffeine through decomposition. Hopefully, it may reduce the rate of decomposition of caffeine.
Simultaneous use of Cedrol and Black tea may increase the risk of caffeine side effects, such as throbbing, headache, and rapid heartbeat.
4. Clozapine: The human body will expel clozapine through decomposition, and the caffeine contained in Black tea may reduce the rate at which the human body decomposes clozapine.
The simultaneous use of clozapine and black tea may increase the risk of side effects of clozapine.
5. Dipyridamole: Black tea contains caffeine, which may reduce the efficacy of dipyridamole. Physicians usually use dipyridamole to perform a cardiac examination called a cardiac stress test.
Therefore, do not use Black tea or other products containing caffeine in the first 24 hours of this test.
6. Disulfiram: The human body will expel caffeine through decomposition, and disulfiram will reduce the rate at which the human body decomposes caffeine.
Simultaneous use of disulfiram and Black tea may increase the effects of caffeine and the risk of side effects, such as throbbing, hyperactivity, and irritability.
7. Ephedrine: Doping drugs will accelerate the functioning of the nervous system. The caffeine contained in ephedrine and Black tea are both stimulants.
If they are used at the same time, they may cause excessive irritation, causing serious side effects and heart problems. Therefore, do not use ephedrine and caffeinated products at the same time.
8. Estrogens: Black tea contains caffeine. The body will expel the caffeine through decomposition, and estrogen will reduce the rate at which the body breaks down caffeine.
Simultaneous use of estrogen and Black tea may cause side effects such as throbbing, headache, and rapid heartbeat. Therefore, if you are using estrogen, please reduce your caffeine intake.
Estrogen drugs include Conjugated Equine Estrogens, Ethinyl Estradiol, Estradiol, etc. extracted from horses.
9. Fluvoxamine: Black tea contains caffeine. The body will expel the caffeine through decomposition, and fluvoxamine will reduce the rate at which the body decomposes caffeine.
Simultaneous use of Black tea and fluvoxamine may cause too much caffeine in the body, thus increasing the effects and side effects of caffeine.
10. Lithium: The body will excrete lithium salts by itself, and the caffeine contained in Black tea will increase the rate at which the body expels lithium salts.
Therefore, if you are using lithium salt and caffeinated products at the same time, please slowly reduce the amount of caffeine products.
If you stop using Black tea too soon, it may increase the side effects of lithium salts.
11. Medications for Depression, MAOIs: Black tea contains caffeine, which will stimulate the body, and depression drugs have the same function.
Therefore, if you use Black tea together with depression drugs, it may cause serious side effects, such as rapid heartbeat, high blood pressure, and tension. Depressive drugs include Phenelzine, Tranylcypromine, etc.
12. Anticoagulant / Antiplatelet drugs: Black tea may reduce the rate of blood clotting.
Therefore, the use of drugs that slow blood clotting may increase the chance of bruising and bleeding.
Drugs that slow blood clotting include: Aspirin, Clopidogrel, Diclofenac, Ibuprofen, Naproxen, Dalteparin, Enoxaparin, Heparin, Warfarin, etc.
13. Pentobarbital: Black tea contains caffeine, and its stimulant effect will reduce pentobarbital’s sleepiness.
14. Phenylpropanolamine: Black tea contains caffeine, which will stimulate the body; Phenylpropanolamine also has the same effect.
If you use Black tea and phenylpropanolamine at the same time, it may be too irritating to the body, resulting in a faster heartbeat, increased blood pressure, and tension.
15. Riluzole: The human body will expel riluzole through decomposition, and Black tea will reduce the rate at which the body decomposes riluzole, thus increasing the effects and side effects of riluzole.
16. Stimulant Drugs: Stimulant drugs will accelerate the operation of the nervous system, making the nerves tight and the heartbeat faster.
Black tea contains caffeine, which also speeds up the operation of the nervous system.
Therefore, the simultaneous use of stimulant drugs and Black tea may cause very serious consequences, such as rapid heartbeat and high blood pressure.
Please try to avoid using Black tea and stimulant drugs at the same time.
Stimulant drugs include Diethylpropion, Epinephrine, Phentermine, Pseudoephedrine, etc.
17. Theophylline: Black tea contains caffeine, and its function is similar to theophylline, and caffeine will slow down the body’s rate of theophylline.
If you use Black tea and theophylline at the same time, the effects and side effects of theophylline may increase.
18. Verapamil: Black tea contains caffeine, the body will expel it through decomposition, and verapamil will slow down the body’s rate of caffeine.
Therefore, if you use Black tea and verapamil at the same time, you may increase the risk of caffeine side effects, such as throbbing, headache, and rapid heartbeat.
19. warfarin: Wahua can be used to slow the speed of blood clotting. Drinking large amounts of Black tea may reduce the effectiveness of Wahua and increase the risk of blood clotting.
It is not clear that there will be much interaction between Black tea and Wahuaning. Please check the blood condition regularly, your dosage of Wahuaning may also need to be changed.
20. Alcohol: Black tea contains caffeine, the body will expel it through decomposition, and alcohol will slow down the body’s decomposition rate of caffeine.
Simultaneous use of alcohol and Black tea may cause excessive levels of caffeine in the blood and cause side effects, such as throbbing, headache, and rapid heartbeat.
21. Birth Control Pills/Contraceptive Drugs: Black tea contains caffeine. The human body will expel it through decomposition, and contraceptive pills will slow down the body’s rate of decomposition of caffeine.
Using contraceptives and black tea at the same time may cause side effects such as throbbing, headache, and rapid heartbeat.
Birth control pills include Ethinyl estradiol, Levonorgestrel, Norethindrone, etc.
22. Fluconazole: Black tea contains caffeine, which is excreted by the body through decomposition.
Fluconazole may slow down the body’s rate of decomposition of caffeine, causing caffeine to stay in the body for too long, increasing the risk of side effects, Like tension, anxiety, insomnia, etc.
23. Medications for Depression: Caffeine contains some chemical substances, called Tannins, which will reduce the efficacy of many drugs and reduce the body’s absorption of drugs.
To avoid this interaction, please avoid caffeine 1 hour before and 2 hours after taking the Sanhuan antidepressant. Depressive drugs include Amitriptyline and Imipramine.
24. Diabetes medicine: Black tea may increase blood sugar, while diabetes medicine is used to lower blood sugar.
Therefore, Black tea may reduce the efficacy of diabetes drugs. Please monitor your blood sugar closely, your diabetes medication dosage may need to be changed.
Diabetes drugs include: Glimepiride, Glyburide, Insulin, Pioglitazone, Rosiglitazone, chlorpropamide, Glipizide, Tolbutamide, etc.
25. Mexiletine: Black tea contains caffeine, the body will expel it through decomposition, and the pulse sequence may slow the body’s rate of decomposition of caffeine.
Simultaneous use of pulse sequence and black tea may increase the effects of caffeine and the risk of side effects.
26. Phenothiazines: Black tea contains some chemicals, called tannins, which will reduce the efficacy of many drugs and reduce the absorption of drugs by the human body.
To avoid this interaction, avoid caffeine one hour before and two hours after taking phenothiazine.
Phenothiazine drugs include: Fluphenazine, chlorpromazine, Haloperidol, prochlorperazine, Thioridazine, and trifluoperazine.
27. Terbinafine: Black tea contains caffeine, the body will expel it through decomposition, and terbinafine may slow down the body’s rate of caffeine excretion and increase the risk of caffeine side effects, such as throbbing, headache, Side effects such as rapid heartbeat.
Black tea recommended dosage
This article does not represent any medical advice, so please consult your physician before using Black tea.
What is the general usage?
Generally, 227 grams (g) of black tea contains caffeine from about 40 to 120 milligrams (mg). The following is the dosage confirmed by the study:
Oral:
- Improve headaches and boost your spirits: You can usually consume up to 250 mg of coffee a day (that is, a few cups of black tea).
- Reduce the risk of heart disease and kidney stones: at least 1 cup of black tea per day.
- To prevent atherosclerosis: drink 125-500 milliliters (ml) of hot Black tea (that is, 1 to 4 cups) a day.
- Prevention of Parkinson’s disease: Men who consume 421 to 2716 mg of caffeine per day can effectively reduce the attack rate. However, even if men only consume 124 to 208 mg of caffeine per day (that is, 1 to 3 cups of black tea), it can greatly reduce the incidence of Parkinson’s disease. As for women, it is most effective to consume moderate amounts of caffeine per day (that is, 1 to 4 cups of black tea).
The recommended dosage of Black tea will vary from patient to patient. It will also vary according to individual age, health status, and other factors.
Black tea-related nutrients are not all safe, so please consult a physician and ask about the appropriate dosage.
Type of finished product
May be of the following types:
- Health Black tea
- Black tea concentrated capsules
Where can I buy the best Black tea?
In recent years, food safety problems in various countries have exploded, and it is not healthy but black-hearted products that everyone spends on. Therefore, European and American products with relatively strict quality control have become popular products.
And iHerb.com is a large-scale medical cosmetics e-commerce company in the United States. It has a high satisfaction rate of 97% in the evaluation of Google customers. It provides global home delivery so that you can buy it without risking buying fakes through purchasing high-quality health products.