Both oral and intravenous nutrients provide the body with essential vitamins and minerals. However, there are several critical differences between the two when it comes to their effectiveness.
Oral supplements include tablets, capsules, powders, and liquids you take by mouth and swallow. These work exactly how you think–the supplements pass through your gut and enter your bloodstream, but only after being digested. Unfortunately, your digestive system is unable to process all of the nutrients in oral supplements, and much of what you consume is discarded as waste without ever entering your bloodstream. Not much mystery there. Unless you are taking high-quality, specially manufactured or isotonic formulations, the absorption rate of oral supplements is often 15% or less.
By contrast, intravenous vitamins and minerals are given through a small needle in your arm and go directly into your bloodstream. By skipping the digestive tract, 100% of these nutrients are absorbed into your body.
Because of how it works, IV supplementation is far more effective than oral supplements and has a broader range of applications. Specialized antioxidants and amino acids can even be infused to support athletic performance and recovery, and improve a plethora of health and aesthetic concerns.