Teacor
Also known as: Green tea, Teacor, Tea extract, EGCG extract, Camellia sinensis
Overview
Green tea, derived from the minimally processed leaves of *Camellia sinensis*, is a well-researched source of bioactive compounds, predominantly catechins such as epigallocatechin gallate (EGCG). Known for its rich antioxidant profile, green tea is consumed widely both as a beverage and in supplement form. Scientific investigations, particularly randomized controlled trials, have substantiated its potential health benefits, including improved cardiovascular health, metabolic regulation, and weight management. Available in various modalities, such as extracts and powders, green tea serves as an appealing dietary supplement. Its significant anti-inflammatory and antioxidant properties play key roles in promoting overall health and mitigating various health risks, making it a popular choice for health-conscious consumers.
Benefits
Clinically significant benefits of green tea supplementation include reductions in total cholesterol levels by approximately -7.62 mg/dL, LDL cholesterol by -5.80 mg/dL, fasting blood glucose by -1.67 mg/dL, and glycated hemoglobin (HbA1c) by -0.15%. Notably, it raises HDL cholesterol levels (+1.85 mg/dL) and reduces diastolic blood pressure (-0.87 mmHg), contributing to cardiovascular health improvements, especially in women and individuals with lower body mass indices. Results regarding weight management show variability; however, the consistent anti-inflammatory and antioxidant properties of green tea suggest a positive impact on metabolic health, particularly for individuals at risk of metabolic syndrome-related conditions. Long-term use has shown promising results, underscoring green tea's potential in disease prevention.
How it works
The health benefits associated with green tea primarily arise from its catechins, particularly EGCG, which reduce lipid peroxidation and enhance lipid metabolism. This process promotes better cardiovascular function by improving insulin sensitivity via the PI3K/Akt signaling pathway, vital for glucose uptake. Additionally, the anti-inflammatory effects of green tea are linked to the suppression of pro-inflammatory cytokines. While the bioavailability from consumable forms is low, supplementation increases plasma catechin concentrations, ultimately enhancing health benefits and mediating metabolic regulation.
Side effects
Green tea is generally considered safe for most individuals; however, mild gastrointestinal issues such as nausea and stomach discomfort occur in approximately 1-5% of users. Severe adverse events, including liver damage, are rarely reported (<1%) and typically associated with excessive dosages. Special caution is advised for individuals on anticoagulant medications, as green tea may interfere with vitamin K and affect platelet aggregation. Pregnant and breastfeeding women are recommended to limit their intake due to insufficient safety data. Adherence to recommended dosages is crucial to mitigate potential side effects, and individuals with underlying health conditions should consult a healthcare professional to monitor for adverse reactions and adjust their supplementation accordingly.
Dosage
For cardiovascular benefits, a typical dosage range for green tea extract is between 250 mg to 1000 mg daily, with 500-750 mg considered optimal to achieve a 25-50% EGCG concentration. Although no formal upper limits are defined, intakes exceeding 1000 mg daily may heighten the risk of adverse effects. For optimized absorption, green tea extracts should ideally be taken with meals that contain healthy fats. Additionally, maintaining a balanced diet and proper hydration will further enhance the effectiveness of supplementation. Monitoring individual responses to supplementation is recommended to adjust dosages as needed.
FAQs
How long does it take to see benefits?
Benefits are typically observed after 12 weeks of consistent supplementation.
Is it safe for everyone?
Generally safe, but those with liver disease or using certain medications should consult a healthcare provider.
Can it interact with medications?
Yes, green tea may interact with blood thinners and other medications due to its vitamin K content.
What are the expected results of supplementation?
Improvements in lipid profiles, blood pressure, and glycemic control can be anticipated.
Is green tea a substitute for a healthy diet?
No, it should complement a healthy diet and lifestyle, not replace them.
Research Sources
- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6521057/ – This meta-analysis examines the effects of green tea on cardiovascular disease risk factors, highlighting statistically significant reductions in LDL cholesterol and improvements in blood lipid profiles through supplementation.
- https://www.ncbi.nlm.nih.gov/pubmed/29133116 – A systematic review exploring the effects of green tea on metabolic health indicates potential benefits in lowering blood glucose and HbA1c levels, emphasizing the role of catechins in metabolic regulation.
- https://pubmed.ncbi.nlm.nih.gov/30891294/ – This study provides evidence of the anti-inflammatory properties of green tea catechins, detailing their mechanisms of action and effects on pro-inflammatory cytokine levels, further supporting green tea's health claims.
Supplements Containing Teacor
C4 50x Icy Blue Razz
Cellucor
C4 50x Fruit Punch
Cellucor
C4 Berry Bomb
Cellucor
C4 Berry Bomb
Cellucor
C4 Green Apple
Cellucor
C4 Icy Blue Razz
Cellucor
C4 Energy-Pack Icy Blue Razz
Cellucor
C4 Strawberry Kiwi
Cellucor
C4 Strawberry Kiwi
Cellucor