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Green Tea Catechins vs Vitamin D

Green Tea Catechins vs Vitamin D Comparison, Similarities & Differences

Green Tea Catechins

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Vitamin D

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Green Tea Catechins are the major polyphenolic compounds in green tea extracts that have various physiological effects that greatly benefit human health. They are known to be effective antioxidant agents by scavenging free radicals , chelating redox active transition-metal ions, inhibiting redox active transcription factors, inhibiting pro-oxidant enzymes and inducing antioxidant enzymes. Green Tea Catechins also improve blood lipid profile by inhibitng the key enzymes involved in the biosynthesis of lipids and serves to reduce intestinal lipid absorption. Moreover, catechins have been wshown to inhibit proliferation of vascular smooth muscle cells by interfering with vascular cell growth factors involved in arthrogenesis. They also suppress platelet adhesion thus, inhibiting thrombogenesis. In addition to thaat, Green Tea Catechins also regulate vascular tone by inhibiting endothelial nitric oxide as well as preventing vascular inflammation that plays a critical role in the progression of atheroscleoritc lesions.



Vitamin D, also known as Calciferol, refers to a group of secostreoids known to enhance intestinal absorption of calcium, iron, zinc, phosphate, and magnesium. Calciferol helps to maintain normal blood levels of calcium and phosphorus, which strengthen bones, helps form teeth and bones. As for the cognitive perspective, studies show that low levels of Vitamin are associated with cognitive impairment and have a higher risk for developing Alzheimer's disease although this has not yet been properly established.

Tradenames

Camellia sinensis, Green Tea Extract, GTE





1, 25-dihydroxyvitamin D, D Vitamin, Calciferol Vitamin D, Calcipotriol Vitamin D

Dose

200-300mg

No dosage data available





1000-10000IU based on location

No dosage data available

Side Effects

Green Tea Catechins are generally safe and well tolerated, however, excessive intake of Green Tea Catechins that contain caffeine may result in excessive concentration and may act as pro-pxidant to damage DNA.







Too much intake of Vitamin D include headache, loss of appetite, nausea, vomiting, sedation, weakness, and fatigue.

Classification









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Rated


n/a








n/a

Evidence-Based Effects


  • Blood Flow - Increased
  • Blood Pressure - Decreased
  • Cognition - Increased
  • Fat Mass - Decreased
  • HDL-C - Increased
  • Heart Rate - Decreased
  • Insulin Sensitivity - Increased
  • LDL-C - Decreased
  • VO2 Max - Increased







  • Blood Pressure - Decreased
  • Colorectal Cancer Risk - Decreased
  • Fat Mass - Decreased
  • Free Testosterone - Increased
  • Insulin Sensitivity - Increased
  • Lean Mass - Increased
  • Parathyroid Hormone (aka PTH) - Decreased
  • Bone Fracture Risk - Decreased

Duration




No data available

Medical Conditions




No data available

Medical Symptoms




No data available

Purpose




No data available

Commonly Paired With




No data available

Price & Brand





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