Methylcobalamin Injections B12 10,000mcg 30,000mcg Vial Should You Add Lipo or MIC Shots to your hCG Injections on the hCG Diet? 6 Pointers A trigger shot, also known as an ovulation trigger, is an injectable medication that induces final egg maturation and ovulation. We use trigger shots in fertility treatments like ovulation induction, How to Mix HCG for Testosterone Replacement Therapy NovaGenix Best Time to Take HCG Injection for Men?