By Penny Greb, USDA ARS [Public domain], via Wikimedia CommonsNationally known nutritionist Keri Glassman’s giving us a healthy tip of the day, every day through July. Spa Week’s teamed up with nationally recognized nutritionist, Keri Glassman to help you stay summer slim. Enter the Stay Summer Slim Giveaway and you can win an exclusive trip toNew York City, meet Keri and sit down for a private nutrition counseling session and more. Every weekday this month, Keri will also be passing on healthy tips for us to stay summer slim. Here’s today’s healthy tip from Keri: Hydrating and slimming, tomatoes are rich in an antioxidant known as lycopene; which helps protect against sunburns! Check back every weekday here at Spa Week Daily for another healthy, stay summer slim tip. Don’t forget to enter the Stay Summer Slim Giveaway. You can keep up with Keri on Instagram, @Keriglassman. PJ Gach is Managing Editor, Spa Week Daily, Social Media Manager, Spa Week Media Group.