Green Tea Extract 500 mg
Source Naturals
Green Tea Extract 500 mg
4.5
★ ★ ★ ★ ★
(1540 ratings)
Green Tea 500 mg
Score 70.0
A highly affordable green tea extract with a robust 500mg dose, but its potency is uncertain due to a lack of standardization for active compounds.
Quantity: 120 Tablet(s)Servings size: 1 Tablet(s) (120 servings)
Selected goals:
Other goals:
Brain Health
Heart Health
Anti-Aging
Metabolism Boost
Weight Loss
leaderboard Score 70.0
A highly affordable green tea extract with a robust 500mg dose, but its potency is uncertain due to a lack of standardization for active compounds.
insights Analysis
Source Naturals Green Tea Extract provides a robust 500mg dose of green tea leaf extract per tablet, making it highly competitive in terms of quantity and value. Its exceptionally low price per serving is a major advantage for budget-conscious consumers. Nevertheless, a critical limitation, often highlighted by nutritionists and in supplement reviews, is the lack of specific standardization for its active compounds, such as EGCG or total polyphenols. Without this crucial information, the product's actual potency and consistent efficacy for targeted health goals cannot be fully ascertained.
- Very high dose of green tea extract (500mg) per serving.
- Extremely affordable price per serving, offering excellent value.
- Simple, direct green tea extract formulation.
- Lacks standardization for EGCG or total catechins, meaning its true potency is unconfirmed.
- Effectiveness for targeted health goals is less certain than standardized products.
$8.47($0.07 per serving)
 Amazon | $ 8.47 | |
 iHerb | $ 11.02 | |
 Vitacost | $ 12.29 | |
 Pure Formulas | $ 12.78 |
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 |
|---|---|
Calcium | 47 mg |
Green Tea Leaf Extract | 500 mg |
Categories
Green Tea 70.0
A strong contender due to its high dosage and exceptional affordability, but the missing standardization information on active compounds prevents it from being a top-tier green tea supplement for guaranteed efficacy.
Goals
Brain Health 65.0
A 500mg extract is likely to offer some neuroprotective benefits. However, the absence of EGCG standardization means its optimal cognitive support cannot be precisely guaranteed or compared to more transparent options.
Heart Health 65.0
The high dose of green tea extract should provide considerable cardiovascular support. However, the exact catechin content for optimal heart health effects remains unknown.
Anti-Aging 65.0
The large quantity of extract suggests strong antioxidant potential for anti-aging effects, but its precise potency for combating oxidative stress remains unquantified.
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