30 calories per can. Gluten free. Now 8 cans. 100% vegetable juice from concentrate with added ingredients. 1 full serving of vegetables (5.5 fl. Oz. Juice provides 1 serving (1/2 cup) of vegetables. Dietary guidelines recommend 2 1/2 cups of a variety of vegetables per day for a 2,000 calorie diet). WhatsInMyFood.com. www.v8juice.com. how2recycle.info. Questions or comments? Call us at 1-800-871-0988.