Sertraline should not be taken with or within two weeks of taking monoamine oxidase inhibitors (MAOIs). These include phenelzine (NardilÂ®), tranylcypromine (ParnateÂ®), isocarboxazid (MarplanÂ®), rasagiline (AzilectÂ®), and selegiline (EmsamÂ®).
Pure caffeine is a white, tasteless substance that makes up as much as 5% of. the weight of tea leaves. By structure, caffeine is closely related to the purine bases, guanine and adenine, found in deoxyribonucleic acids (DNA).
Oolong is semi-oxidized, so itâs between green and black tea in terms of flavor and caffeine content. Popular oolongs include milk oolong, oolong supreme, tie kwan yin, and ruby oolong. Puâerh is an aged and fermented tea with a slightly âfishyâ smell. Itâs close to black tea in terms of caffeine content.