Definitions:

1. A substance that induces lactation. NOUN
   • The doctor prescribed domperidone as a galactagogue to help with insufficient lactation.
2. A substance that promotes or increases the production of breast milk in lactating mothers, that can be natural such as certain herbs an foods, or medicinal prescribed by healthcare providers. NOUN
   • She included oats and fenugreek in her diet as natural galactagogues to boost her milk supply.
3. Agent that induces milk secretion. NOUN
   • Fennel seeds are a natural galactagogue known to increase milk production in lactating women.

Synonyms:

• lactation inducer
• milk booster