This is not just a problem with pills - it could be a problem for processed food.

Look at the ingredients used in the 'Impossible Burger' to replicate the vitamins and minerals found in real meat:

Mixed Tocopherols (Vitamin E), Zinc Gluconate, Thiamine Hydrochloride (Vitamin B1), Sodium Ascorbate (Vitamin C), Niacin, Pyridoxine Hydrochloride (Vitamin B6), Riboflavin (Vitamin B2), Vitamin B12

Or the additives found in products like Soylent.

If these vitamins and minerals don't work with pills, do they work with processed food?

Its already clear that you should take supplement pills at the same time as eating - so these processed foods at least avoid that problem.