Salad in a Jar fits the bill: Ingredients can last for ... found in spinach, kale, and flax seeds. We've tried to include many ingredients that can fight pain and help boost your mood, naturally.

Curious about what goes into these convenient jars? Here are our top picks: A delectable sweet treat to kick off your day right. Combine flax seeds, oats, yogurt, milk, and a hint of vanilla ...