The health benefits of oolong tea and green tea are in fact very similar. General true tea benefits include a potential reduction of high blood pressure and lower risk of developing type 2 diabetes. The fight for the most health benefits between oolong tea vs. green tea boils down to their chemical composition. Green tea, as all weight watchers would know, has a more vegetal and grassy flavour with a slightly astringent and a somewhat bitter undertone. The final tasting notes depend a lot on where the tea came from, its packaging, and its brewing, but as far as taste is concerned the oolong takes this round. Oolong vs Green Tea: Benefits Tea is one of the most popular beverages in the world, second only to water. All types of tea come from the Camellia sinensis plant. Of the many varieties of teas, green tea and oolong tea are two of the main types. They have many similarities and some differences. Because both types of tea are. Green Tea vs. Oolong Tea Benefits. Green tea is often touted as a wonder drink providing all sorts of health benefits. Studies have shown that this tea can prevent cancer, lower blood pressure, boost the immune system and reduce hypertension. This is an area where green tea wins hands over feet over all other teas. The scientific evidence of green tea benefits is overwhelming, both in term of quantity and quality. At the end of 2006, the Pubmed database contains 2,500 green tea studies, with about 350 published in just 2006 year alone. Oolong tea is commonly consumed in China and Taiwan. In Asian countries, drinking tea is a large part of the culture and social gatherings. Friends and business associates often meet over tea. Oolong tea represents only 2% of the world's tea, but it's well-worth discovering (1). It combines the qualities of dark and green teas, giving it several interesting health benefits. For example. Final Thoughts on Oolong Tea Benefits. Oolong tea is a partially oxidized tea, creating a complex brew in between green and black tea. Some primary benefits of oolong tea are a reduced risk of cardiovascular disease, diabetes and cancer. The antioxidants found in each serving also help to keep bones, teeth and skin healthy to add even more. In a single cup of oolong tea, caffeine content maybe 37 mg which is more than 25 mg of caffeine in a cup of green tea. However, since the caffeine in both the beverages is lesser compared to that of the black tea and the coffee, they are known simply for the health benefits. Oolong Tea vs Green Tea. Green tea contains more catechins and anti-inflammatory polyphenols compared to oolong tea. Oolong however typically contains less fluoride than green tea. Both green and oolong tea contain a similar amount of caffeine at around 25mg per cup for green tea, and about 37mg for oolong.