Trimix is more effective than Viagra based on the percentage of men who report their ED is improved. The success rate for Trimix is 80% to 95%. Viagra is around 60% to 70% effective for men with moderate ED. More men use Viagra than Trimix because taking a pill is easier than doing a penile self-injection. However, men using Trimix report that the injection procedure is nearly painless and the results are fast and consistent. Many men, especially those taking medications for heart disease cannot take Viagra or other medications in that class. Trimix is a great option for these men and men who want an ED treatment option that is not affected by diet or alcohol consumption.