everstrong -- this is a very comprehensive formula, mark. feel stronger with everstrong. i mean, that would be enough, but -- >> mm-hmm. >> i mean -- we're dealing with people in their 50s, 60s, 70s. i want people to feel more energetic, as well. so, not only did we use the most-researched creatine, we also added a patented ingredient called coffeeberry extract, which is a powerful antioxidant. >> mm-hmm. we also added vitamin d, which supports the immune system and bone strength. but we added it into everstrong, because it's good for the muscles, as well. we added fruitex-b, another patented compound that's wonderful for joint support and bone support. so this is an all-around win-win, because you get your vitamin d, you get your fruitex-b to maintain the joints. you get the coffeeberry extract for that powerful antioxidant protection. and, of course, the most evidence-based creatine that money can buy. mark, best of all -- forget about money today. today it's free. purity knows you're gonna see these amazing benefits. we're talking about strength, we're talking about po

>> announcer: the following is a paid advertisement for everstrong, brought to you by purity products. ? >> hello, and welcome to the show. i'm your host, mark larson. we're brought to you by purity products. we have a fascinating show lined

>> announcer: the following is a paid advertisement for everstrong, brought to you by purity products. ? >> hello, again, and welcome to the show. we're brought to you by purity products. we have a fascinating show lined up for you today. but first, i want to ask you number one -- is there a pill that you can take that actually helps make you stronger? number two -- if you could get stronger, would the extra strength make your life better? and think about this -- are you weaker today than you were, say, 20 years ago? well, if you answered yes to any of these questions, stay tuned. dr. neil levin is joining us to discuss a special compound backed by hundreds of clinical studies that just may be the key to helping you get stronger and healthier at any age.