Are there any conditions on how you can use the data? In other words, can you re-sell it? I am aware of two companies in that space (selling nutritional data)

Are there any conditions on how you can use the data? In other words, can you re-sell it? I am aware of two companies in that space (selling nutritional data). Both are expensive, and one doesn't return emails. There are definitely companies willing to pay for that data.