Add some extra \'greens\' into your diet with Mattisson\'s, vegetarian-friendly, Absolute tablets. Chlorella is a green single celled micro-algae that has naturally occurring chlorophyll, beta-carotene, and carotenoids. Each recommended serving of three tablets contains 500mg of 100% organic chlorella, a source of vitamin B12 - known to support energy metabolism and reduce tiredness and fatigue. Add some extra \'greens\' into your diet with Mattisson\'s, vegetarian-friendly, Absolute tablets. Chlorella is a green single celled micro-algae that has naturally occurring chlorophyll, beta-carotene, and carotenoids. Each recommended serving of three tablets contains 500mg of 100% organic chlorella, a source of vitamin B12 - known to support energy metabolism and reduce tiredness and fatigue. Green single celled micro-algae. 500mg of chlorella per three tablets. Source of vitamin B12. Suitable for vegetarians. 240 tablets per pack Absolute Chlorella from Mattisson is organic and provides 500mg of chlorella per 3 tablets. Definitely worth a try!