They are sold for research purposes
Simple: it delivers visible results
Common nutrients of concern Vitamin D Important for bone, muscle and immune health Deficiency is common, especially in people with obesity Calcium Essential for bone strength Blood levels may appear normal even when intake is low Vitamin B12 Supports nerve function and energy metabolism Low levels may cause fatigue, numbness or cognitive changes Magnesium Involved in muscle function and energy production Often under-consumed in general diets Iron Important for oxygen transport in the blood Risk may be higher in menstruating women Signs of possible deficiency Fatigue Muscle weakness Hair loss Slow wound healing Unusual bruising Should you take a multivitamin
While AI technologies, particularly deep learning, have shown impressive predictive power in Chinese medicine research, their "black box" nature makes it difficult for researchers to understand the models decision-making process [656, 657]
Lemmens G, Van Camp A, Kourula S, Vanuytsel T, Augustijns P (2021) Drug Disposition in the Lower Gastrointestinal Tract: Targeting and Monitoring