We test the quality of terminals connection with an impedance test every 60 sec. You have to put a regulator only if your customer need a fixed voltage like 24 Vdc, because the device has not Industrial wide range input 20 — 30 Vdc that is standard. It looks like a separate load might have been connected directly in parallel with the battery.
The reason you need to take the supplement on schedule every day is so your body gets used to it and can use it effectively. You want to take it first thing in the morning with a glass of water and a meal. This helps your body get used to processing it effectively to reap the maximum nutritional and metabolic benefits from the extract. Here is a wikipedia page about Garcinia Cambogia.