Capsules containing 500mg of fresh royal jelly Rich source of naturally occurring nutrients Naturally rich in trans-10-hydroxy-2-decenoic acid (HDA) Power Health Bumbles Royal Gelee Capsules contain 500mg of fresh royal jelly. Royal Jelly is the only food consumed by Queen Bees and is a rich source of naturally occurring nutrients. Bumbles Royal Gelee from Power Health is unusual in that it is harvested, purified and flown direct from source without being freeze dried.