Concrete examples of biased agonism that have clearly improved therapeutic outcomes include the development of -arrestinbiased angiotensin II receptor ligands (which showed reduced hypertension-related adverse effects in preclinical models) and carfentanil-class opioid analogs designed to preferentially engage G-protein over arrestin pathways, thereby reducing respiratory depression (Schmid et al., 2017)

References & Further Reading How the spinach, Popeye, and iron decimal point error myth was finally bust M Sutton The effect of organic acids, phytates and polyphenols on the absorption of iron from vegetables M Gillooly and others Iron deficiency N S Scrimshaw Oxalic acid does not influence non-haem iron absorption in humans S Storcksdieck and others Mineral composition of boiled, green leafy vegetables found in Hawaii and iron bioavailability using the in vitro digestion method A Perfecto Iron absorption and phenolic compounds: importance of different phenolic structures M Brune and others
In a crossover study in healthy subjects, a 3 g cinnamon dose added to a rice pudding test meal slowed gastric emptying and reduced postprandial glucose, insulin, and GLP-1 concentrations compared with control, while self-reported satiety was modestly increased
But beyond that, you're really in very, very uncharted territory
A deficiency can also cause a condition called megaloblastic anemia which creates larger, immature, and abnormal red blood cells and leads to impaired DNA synthesis
The treatment is part of a holistic medical weight management strategy, which includes lifestyle and dietary modifications to maximize the effectiveness of the medication and support long-term health improvement