It is worth investing in a testosterone supplements instead of methods like pills, creams, surgical methods etc as they are very risky and can cause harmful side effects to the human body. Such methods also do not provide guaranteed results and therefore such methods are mere waste of money. Testosterone supplements promises guaranteed results and are also clinically proven method for strength increase. Therefore it is always advisable for the people to look for the testosterone supplements while thinking of strength increase. Testosterone booster and natural herbs are the two most common names of the strength increase industry and are also effective enough for strength increase. It is very important for the people to choose the more effective out of the two if they are thinking of purchasing any one out of them. Comparing Testosterone booster vs natural herbs people can surely come to know which one of them is more effective out of the two. Testosterone booster vs natural herbs is also very helpful for the person to help him to decide whether to purchase this device or not. Testosterone booster helps the people to add at least 1-3 inch to the length of the penis whereas natural herbs helps the person to add 1.5 – 4 inch to the length of the penis. both the testosterone supplements costs $299.99. Testosterone booster promises to help the people to rectify the problem of penile curvature by 75% whereas natural herbs promises to rectify the problem of penile curvature by 50% to 90%. Pro extenders are more comfortable to wear as compared to natural herbss. But instead of looking to purchase these extenders it is advisable for the people to opt for X4Labs testosterone supplements. Testosterone booster and natural herbs both when compared to X4Labs testosterone supplements it is clearly noticeable that the X4Labs testosterone supplements is the better one. X4Labs testosterone supplements is more comfortable, more effective, comes with more parts and accessories, are less costly etc.