A calcium tablet gives you calcium.
A wedge of hard cheese gives you calcium, plus the vitamin K2 that tells that calcium to line your bones instead of your arteries.
A vitamin D capsule gives you vitamin D.
An egg yolk gives you vitamin D, plus the fat and the cholesterol your body was going to build the hormone out of anyway.
An iron tablet gives you iron, and a fortnight of misery.
A slice of liver gives you iron your body actually absorbs, plus the retinol and the copper that move it into your blood.
A zinc tablet gives you zinc.
A dozen oysters give you zinc, plus the copper, the selenium and the B12 that always shipped in the same box.
A B12 pill gives you B12.
A lamb chop gives you B12, plus the iron, the protein and the fat it was always meant to ride in on.
An omega-3 softgel gives you fish oil that went rancid in the factory.
A mackerel gives you the same fats, still fresh, inside the food that protects them.
The supplement gives you the noun.
The food gives you the whole sentence.
They took one word out of the food, patented it, and sold it back with the grammar removed.
A pharmacy is a butcher's shop with the meat taken out and the mark-up left in.