Green Tea Extract
ZHOU
Green Tea Extract
4.3
★ ★ ★ ★ ★
(4226 ratings)
Green Tea 500 mg
Score 91.0
A highly potent green tea extract with 500mg EGCG, catechins, and polyphenols, offering exceptional benefits for brain, heart, anti-aging, metabolism, and weight loss.
Quantity: 120 Capsule(s)Servings size: 1 Vegetable Capsule(s) (120 servings)
Selected goals:
Other goals:
Brain Health
Heart Health
Anti-Aging
Metabolism Boost
Weight Loss
leaderboard Score 91.0
A highly potent green tea extract with 500mg EGCG, catechins, and polyphenols, offering exceptional benefits for brain, heart, anti-aging, metabolism, and weight loss.
insights Analysis
The ZHOU Green Tea Extract boasts an impressive standardization, claiming 500mg of Polyphenols, Catechins, and EGCG from its green tea extract. This indicates a highly concentrated and potent formulation, with EGCG being the primary bioactive compound responsible for most of green tea's celebrated health benefits. Such a high and clear standardization suggests a product designed for maximum efficacy across the stated goals. EGCG is a well-researched antioxidant, supporting brain health by protecting neurons, promoting cardiovascular wellness by improving endothelial function, and offering significant anti-aging effects by neutralizing free radicals. Critically, its strong thermogenic properties directly contribute to metabolism boosting and fat oxidation, making it highly effective for weight management.
- Exceptionally high and clear standardization of active compounds (500mg EGCG, Catechins, Polyphenols).
- Highly potent for all stated goals, especially metabolism and anti-aging.
- Good number of servings per bottle (120).
- Positive review count and strong brand presence.
- Higher price per serving compared to basic or lower-dose green tea extracts.
- Likely contains natural caffeine, which might not be suitable for caffeine-sensitive individuals (not explicitly decaffeinated).
- High doses of EGCG can rarely cause liver issues in susceptible individuals; monitoring is advised.
- Caffeine content should be considered by those sensitive to stimulants.
$23.09($0.19 per serving)
 iHerb | $ 23.09 | |
 Amazon | $ 23.09 | |
 Vitacost | $ 23.09 |
bolt Effectiveness for goals
Green tea is rich in polyphenols, particularly catechins like epigallocatechin gallate (EGCG), which are powerful antioxidants. These compounds help to neutralize free radicals in the body, which can reduce oxidative stress and cellular damage. This is a primary mechanism behind many of its potential health benefits.
Some research suggests that catechins, particularly EGCG, and caffeine in green tea may contribute to increased metabolism and fat oxidation. However, the effects on significant weight loss are generally modest and can vary among individuals. It is often considered a supportive element within a balanced lifestyle.
Some research suggests that catechins, particularly EGCG, and caffeine in green tea may play a role in fat oxidation and thermogenesis. However, the effect is often modest and varies among individuals. It should be considered part of a balanced diet and active lifestyle.
Green tea contains less caffeine than coffee, but the presence of L-theanine creates a unique effect. L-theanine slows the absorption of caffeine, leading to a more sustained energy release without the jitters, and can promote a state of relaxed alertness and improved focus.
Green tea is rich in polyphenols, particularly catechins like EGCG, which are powerful antioxidants. These compounds help to neutralize free radicals, potentially reducing oxidative stress in the body. This protective action is a key area of research regarding green tea's health properties.
schedule Dosage, timing & forms
While many green tea supplements can be taken alongside other general nutritional supplements, it's always prudent to be aware of potential interactions. For instance, green tea extract contains vitamin K and could interact with blood thinners. It is advisable to consult a healthcare professional regarding specific combinations, especially if taking medications or other active supplements.
Typical dosages for green tea extract supplements can vary, often ranging from 250 mg to 500 mg per serving, standardized for EGCG content. Products commonly provide 200-400 mg of EGCG per dose. Always refer to the specific product's label for recommended serving sizes and guidance.
A typical daily dose of green tea extract for adults often ranges from 250 mg to 500 mg, standardized for EGCG content. Some studies have used doses up to 800 mg. It is generally advisable to follow the product's label instructions.
Green tea supplements are often recommended to be taken with meals to minimize potential stomach upset, especially for those sensitive to caffeine or EGCG. Many prefer to take it in the morning or early afternoon due to its natural caffeine content. It is advisable to avoid taking it too close to bedtime if you are sensitive to caffeine.
Green tea supplements are generally recommended to be taken with food to help minimize potential gastrointestinal discomfort, which can sometimes occur with concentrated extracts. Taking them with a glass of water is also advisable for proper digestion and absorption. Always follow the specific instructions provided on the supplement label.
health_and_safety Safety & interactions
Yes, green tea can interact with certain medications, primarily due to its caffeine, vitamin K, and EGCG content. It may affect the efficacy or metabolism of some drugs. Individuals on medication should consult a healthcare professional.
Green tea naturally contains caffeine, though typically less than coffee. The amount can vary based on brewing method, tea variety, and preparation. An 8-ounce cup usually has between 20-45 mg of caffeine.
For most healthy adults, consuming 2 to 3 cups of green tea per day is generally considered safe. This amount typically provides beneficial compounds without leading to excessive caffeine intake or other potential side effects. Individual tolerance can vary.
Consuming green tea in moderate amounts is generally well-tolerated. However, high intake, particularly of green tea extracts, may lead to side effects such as nausea, stomach upset, or liver issues due to high EGCG concentrations. Caffeine content can also cause headaches, nervousness, or sleep problems in sensitive individuals.
While regular consumption of brewed green tea is generally safe, high doses of green tea extract, particularly on an empty stomach, have been linked to rare cases of liver issues. This risk is primarily associated with concentrated supplements, not typically with brewed tea. Individuals with pre-existing liver conditions should exercise caution.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Green Tea extract | 500 mg |
Categories
Green Tea 92.0
This product stands out in the Green Tea collection for its very high and comprehensive standardization of EGCG, catechins, and polyphenols, offering maximal potency for all green tea-related benefits.
Goals
Metabolism Boost 94.0
The 500mg EGCG dosage is highly effective for stimulating thermogenesis and increasing the body's metabolic rate, making it a strong choice for boosting metabolism.
Anti-Aging 93.0
As an exceptionally potent antioxidant, 500mg EGCG actively neutralizes free radicals, directly contributing to cellular health and combating the processes of aging.
Heart Health 92.0
The high EGCG content powerfully supports cardiovascular health by improving arterial flexibility, reducing oxidative damage to blood vessels, and contributing to healthy cholesterol levels.
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