Follow Your Swallow

IDDSI Level 0

Thin

Flows like water.

Fast-flowing liquids that flow freely through a straw, cup, or syringe. No thickening at all.

Water, coffee, tea, juice, broth: anything that splashes.

IDDSI Flow Test instructionsWatch from IDDSI

10 mL syringe flow test: 1 mL or less remains after 10 seconds.

Run the guided syringe test
  • Water
  • Black coffee & tea
  • Clear juices
  • Broth
  • Most oral nutrition shakes (check the label)
Products can vary by batch. Always verify with the IDDSI tests before serving.How to test →
  • Assuming all supplement shakes are thin, many test at Level 1 or 2.
  • Ice cream and gelatin melt to thin in the mouth, they count as Level 0 if thin liquids are restricted.
Browse verified Level 0 products →