More of an unlisted formula is not safer, and it is not better.
Because we cannot see the ingredients or amounts, we cannot say what doubling the serving would add. Some nutrients have upper limits, and some ingredients behave differently at higher amounts.
The page says to take one gummy daily.
Take one gummy daily, per the page, and follow the label on your bottle. Do not take extra to make up for a missed day. Count other supplements that might overlap. Our earlier post on the serving caution covers the wording.