Final answer:
Tablet form supplements often have a shelf life of 2 to 3 years, influenced by the drug's half-life and whether they are dose or time dependent.
Step-by-step explanation:
The shelf life of tablet form supplements can vary significantly depending on factors such as the specific drug formulation, storage conditions, and the stability of the active ingredients. Contrary to the assumption suggested in the question, tablets can sometimes have a longer shelf life, often lasting 2 to 3 years if stored properly, unless the manufacturer suggests otherwise due to the nature of the drug. The half-life of a drug is crucial in determining dosing intervals, with short half-live drugs requiring more frequent dosing compared to drugs with longer half-lives. It's important to assess drugs on a case-by-case basis for their effective dosing, taking into account whether the drugs are dose dependent or time dependent.
For instance, dose-dependent drugs need higher levels for short periods, while time-dependent ones need lower, steady levels over time. Drug shelf life is also critical when considering the possibility of side effects – longer-lasting drugs can maintain potentially toxic levels for extended periods. Moreover, the FDA has reported incidents involving supplements, such as the case with the supplement Craze, where undisclosed compounds caused health issues, highlighting the significance of safety in supplement use.