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M., Gambeta, E

Unlike oral supplements that need to pass through the digestive system, injections ensure that the vitamins are delivered directly into your bloodstream, offering maximum absorption and immediate benefits

2017 ACC/AHA/AAPA/ABC/ACPM/AGS/APhA/ASH/ASPC/NMA/PCNA guideline for the prevention, detection, evaluation, and management of high blood pressure in adults: A report of the American college of cardiology/american heart association task force on clinical practice guidelines

They are referred to as vitamers having vitamin activity as a coenzyme, meaning that its presence is required for some enzyme-catalyzed reactions