In addition to being leaner and lower in calories than conventional cuts, grass-fed beef offers a host of benefits, from muscle-building to fat-burning to heart protection. You can add assistance in the bedroom to its list of good qualities; it’s an excellent source of Vitamin B12. A recent report from Harvard University highlighted a study that has linked low levels of B12 to erectile dysfunction. So, eat up! Bonus: It’s one of the healthy fats that actually makes you skinny.

These underrated kernels are rich in zinc, and people with higher levels in their system have been shown to have a stronger drive than those with lower levels. They’re also a good source of magnesium, which boosts testosterone and keeps sperm healthy and viable. Pine nuts are the primary ingredient in pesto, so go Italian on your next date night, or sprinkle them on a salad with avocado, tomatoes and salmon.
A study published in May 2014 in The Journal of Sexual Medicine found that some men can reverse erectile dysfunction with healthy lifestyle changes, such as exercise, weight loss, a varied diet, and good sleep. The Australian researchers also showed that even if erectile dysfunction medication is required, it's likely to be more effective if you implement these healthy lifestyle changes.
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