Spinach:

Blending raw spinach with a little water and freezing in ice cube trays and adding to your or your dogs meals up to 3 times per week can reduce the risk of several common cancers by up 88%.

The types of glycoglycerolipid (MGDG), and sulfolipids (SQDG), in a variety of plant cell membranes exert powerful therapeutic anti-cancer, anti-viral, and anti-inflammatory activity when consumed regularly. So add them to your dogs and your own meals even when its out of season!

Frozen Spinach