Does Fermenta Biotech find Vitamin D3 through a sustainable natural source?

Fermenta Biotech has found a new way to produce Vitamin D3 using a byproduct of soyabean oil.

• Option 1: Yes, it was a good discovery
• Option 2: The company didn't discover this method before but is considering it now
• Option 3: No, they did not find this method at all
• Option 4: They are still searching for natural sources of Vitamin D3?