| Effect | Increase |
| Trial Design | Double blind |
| Trial Length | n/a |
| Number of Subjects | 60 |
| Sex | n/a |
1402mg catechins, consumed via beverage, was shown to cause photoprotection and enhanced blood flow to the skin (microcirculation) after 6-12 weeks of consumption.
A single dose of 0.5-2g catechins is able to increase blood flow to the skin within 30 minutes of ingestion.
Study conducted in 60 women aged 40-65.
