You vanot buy the ingredients unless you are comercial so no good telling you
That seems most unlikely unless the "secret" ingredients include controlled substances like drugs or explosives!
Many people on here run small firms, might have VAT registration and/or the simple initiative to get supplies from all sort of wholesalers.
Why not tell us the exact names and other details on the bottles, tubs or whatever it is, and then we can decide if it's feasible, or even desirable, to purchase? Photos would be even better. Otherwise, it's like one big tease or wind-up.