The adrenal glands regulate the body's stress response and play a major role in perceived energy levels throughout the day. Adaptogens such as ashwagandha and rhodiola, together with B vitamins and certain minerals, are studied for their role in the body's ability to handle physical and mental load without energy reserves depleting as quickly. This category suits those who notice their energy dipping during periods of high demand.





It's not an established medical diagnosis, but many people notice their energy dipping during periods of high stress. Adaptogens are studied for their role in the body's stress handling during such periods.
They are well studied for shorter courses, but as with all supplements, dosing should follow the product's recommendation, with a doctor consulted if you're on medication or have an illness.
Yes — caffeine provides a temporary stimulant effect, while adaptogens and B vitamins are studied for their role in the body's underlying capacity to handle strain over time.