, 3x stronger than shop brands, great for long term use & as a top up for your multi, fantastic price these are incredible value at 5p/day, easy to take one-a-day small coated tabletsalthough this is our lowest potency b complex it still packs a punch compared with most high street products as our vitamin levels are typically three times stronger. this is a great value product for long term use & will provide sufficient b vitamins to ensure your daily requirements are met.b vitamins are involved in almost every metabolic process in the body & play an important role in the release of energy from food the normal functioning of the immune & nervous systems & the regulation of hormonal activity.all of our multis provide the b vitamins at levels that are sufficient for most situations & this product can be taken on its own or alongside a multi to boost the overall intake of b vitamins. if you need help choosing then please call or email our advice line.