How do you determine whether you like a supplement or not? Do you have frequent blood tests? Small samples wouldn't make a noticeable difference. These compani

How do you determine whether you like a supplement or not? Do you have frequent blood tests? Small samples wouldn't make a noticeable difference. These companies rely on the fact that consumers can't easily verify the effectiveness of their products, so marketing is crucial for them. This is why we need independent verification just to determine what they're selling.