: How does one assign multiple values to the "activeIngredient" schema tag? I want to use the activeIngredient property http://health-lifesci.schema.org/activeIngredient to list two active ingredients.

@Ogunnowo487

Unless its description says otherwise (example: keywords), a Schema.org property always takes a single value.

If you want to provide multiple values, you have to repeat the property (in case of Microdata and RDFa) or provide an array value (in case of JSON-LD).

So activeIngredient is for one active ingredient. Multiple active ingredients could be specified like this:

<ul>
<li itemprop="activeIngredient">ingredient 1</li>
<li itemprop="activeIngredient">ingredient 2</li>
</ul>


<ul>
<li property="activeIngredient">ingredient 1</li>
<li property="activeIngredient">ingredient 2</li>
</ul>


"activeIngredient":
[
"ingredient 1",
"ingredient 2"
]

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