vitrix side effect s Prescription hormone supplementsOver-the-counter testosterone boosters: Ingredients and side effectsAs an alternative to prescription testosterone supplementation, some people turn to over-the-counter options. These products promise to improve naturally decreasing testosterone levels. They’re often called “testosterone boosters,” and typically come in powdered form.These supplements don’t contain actual testosterone or other hormones. Instead, they contain herbs and other substances that are supposed to increase your natural production of testosterone. But the evidence that these products are effective is limited.Always consult your doctor before taking testosterone boosting products or other dietary supplements. It’s also important to look at the ingredients and evaluate their safety before you try one of these products.