Very generally, an early summer bloom could mean any time from May into June; midsummer, late June into early August and late summer anywhere from the end of July to late September. Plants don't know nuthin' about calendars and it is always a bit tricky guestimating when a specific plant is likely to bloom.
Taurine is present in bulls livers, semen and urine. One thing is certain, the taurine used in energy drinks such as Red Bull is taken from these sources. Taurine found in energy drinks is a byproduct of bull testicles, it is considered not to be vegetarian friendly.
a 250 ml can of red bull contains taurine 1 g caffeine 80 mg glucuronolactone a glucose metabolite 600 mg b vitamins and is available with and without sugar some studies showed modest improvements in endurance but others found no effect