Attending the Winter Fancy Food Show (which is a trade show for the specialty food association) is a terrific opportunity to see what's new and happening in the world of speciality food. The biggest trends I noticed this time around were teas with turmeric, beef jerky and fermented foods, which included kombucha, probiotic drinks (most dairy based) and raw live active culture salsas, pickles, kimchi and sauerkraut.
Interestingly enough, they each have a health angle to them. Fermented foods provide probiotics which are healthy bacteria and yeasts. Turmeric has anti-inflammatory properties. Beef jerky can be a high protein and low carbohydrate food that fits with low carb and Paleo diets.
Fermented Food & Drinks
Those are the ones I saw but it's possible there were even more...