| Comparison Chart: Tea vs. Coffee | |||
|---|---|---|---|
| Caffeine (1 cup) | Micronutrients (1 cup) | Health Benefits | |
| Black Tea | 47 milligrams (mg) | Ca: 0 mg Mg: 7 mg P: 2 mg K: 87 mg Na: 7 mg |
May lower blood pressure, improve alertness, and help with blood sugar management. |
| Coffee | 95 mg | Ca: 4 mg Mg: 7 mg P: 7 mg K: 116 mg Na: 4 mg |
May reduce inflammation, the risk of diabetes, heart disease, Parkinson’s disease, and specific cancers. |
How Tea and Coffee Compare
Coffee and tea have similar potential health benefits and nutrition profiles. Their health benefits are often associated with their unique antioxidant content. Both beverages are linked to potential benefits for heart health, blood sugar management, inflammation, and alertness.
Antioxidants: Both are sources of antioxidants that fight off free radicals and other potentially harmful compounds:
- Tea has more antioxidants than coffee, depending on the type (e.g., black vs. green tea). Tea provides polyphenols, such as theaflavins and catechins, like EGCG (epigallocatechin gallate).
- Coffee also has polyphenols (e.g., chlorogenic acid) and flavonoids with antioxidant effects.
- Herbal teas have additional components that may help promote relaxation (e.g., chamomile, lemon balm), healthy digestion (e.g., ginger, peppermint), and immune health (e.g., echinacea).
What you put in it matters: The health benefits tend to change when sugar and full-fat dairy are added. To keep your beverage healthier, use these additives in moderation.
Tea Benefits
Tea, like coffee, contains antioxidants and other bioactive compounds that may benefit your health. However, more research is needed to confirm these effects.
Black tea may improve the following:
- Blood flow and heart health
- Blood pressure
- Inflammation
- Gut microbiome
- Blood sugar levels
- Stress
Green tea, which comes from the same plant (Camellia sinensis) as black tea and oolong tea, is exceptionally high in antioxidants. Researchers have explored its potential to help with the following:
- Cancer
- Cardiovascular health
- Inflammation
- Cognition
- Blood sugar levels
Herbal teas tend to be rich in antioxidants and plant compounds, and they may benefit digestion, stress relief, immunity, inflammation, sleep, and more.
Coffee Benefits
Coffee is a well-researched beverage. Besides giving you a morning boost, research suggests coffee has potential benefits when consumed in moderation.
According to one review of research, regular coffee consumption may reduce the risk of the following:
- Heart disease and death from heart disease
- High blood pressure
- Type 2 diabetes
- Specific types of cancer
- Liver disease
- Chronic kidney disease (CKD)
- Parkinson’s disease
These potential health benefits are thought to be due to the many bioactive compounds in coffee that have antioxidant, anti-inflammatory, and possibly anti-cancer effects.
How Much Caffeine Should You Drink Per Day?
Most adults consider consuming about 400 mg of caffeine per day safe. However, they should consume no more than 1,200 mg per day and limit caffeine to 200 mg per day during pregnancy.
Coffee typically contains more caffeine than tea (95 mg vs. 47 mg per cup). However, some types of tea (mostly herbal tea) do not contain caffeine.
Are Tea and Coffee Safe for Everyone?
No, tea and coffee are not safe for everyone.
Some people may be allergic to either. If you suspect a tea or coffee allergy, stop drinking it and seek immediate medical attention.
Caffeine in coffee and tea may cause side effects, especially if you have too much. Possible side effects of caffeine include:
- Increased heart rate
- Anxiety
- Trouble sleeping
- Nausea
- Restlessness
- Increased urination
Caffeine and Children
- Children under 12 should avoid caffeine.
- Children 12 to 18 should limit caffeine to 100 mg or less daily (about two 12-oz cans of cola, one cup of coffee, or two cups of tea).
You may need to limit caffeine intake if the following apply to you:
Be sure to talk with your healthcare provider about safe caffeine consumption if you take prescription medications.
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