Elderbrook Drinks. We make Cordial Tonics. They’re a new way to make water tastier whilst doing yourself some good. We blend fruit, superfoods and add some natural sweetness using coconut nectar. Never heard of it? Neither had we until we discovered it’s low GI and full of goodness like amino acids, vitamin C and calcium. Each bottle makes approximately ten 250ml drinks and we deliver it directly to you in the post to work or home. Each bottle makes approximately ten 250ml drinks. Making water tastier while doing yourself some good has never been so easy. Handmade cordial tonics enriched with superfoods. Made in London. .