The Caffeine Guide: Sources, Benefits, Side Effects, and More
You can also consume caffeine in supplement form, either alone or in combination with other nootropic ingredients. The latter multi-component design can be especially beneficial if you choose a formula that supports overall brain power and goes beyond the typical (and temporary) energy “boost” approach.
For example, in mbg focus+, caffeine is combined with bioactive and plant substances that support the energy of cells, the mind, and body (i.e. guarana, Panax ginsengL-theanine and vitamin B12), which ensures constant concentration and vigor.*
Just as with the food and beverage sources of caffeine listed above, it’s also important to carefully consider your caffeine source when it’s delivered in a supplement.
Ferreira advises turning the product over and reading the Additive Facts panel: “Do you see any indication that the caffeine comes from a plant source, such as a certain type of coffee (Coffee), tea (Camellia), guarana, or some other quality plant?” If not, she says it could be a cheaper synthetic form of caffeine.
Sharing more information, Ferreira explains that “you should also expect the supplement brand to identify the parts of the plant used to provide the caffeine. In other words, is it an extract whole coffee cherry8, coffee beans or green tea leaves? Transparency is key here.”