Take the supertaster test
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Take a supertaster test using safe bitter tasting strips or tonic water, compare taste intensity, and count tongue papillae to learn taste sensitivity.

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Step-by-step guide to take a supertaster test

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Why Are Some Children Super-tasters And How Does It Affect Their Nutrition?

What you need
Adult supervision required, bitter tasting strips or tonic water, cup of water, magnifying glass optional, mirror, pen and paper, small 1 cm paper circle or round sticker do not stick to tongue, small paper towel or napkin

Step 1

Wash your hands with soap and water for 20 seconds.

Step 2

Ask an adult to help set out all the materials on a clean table.

Step 3

Rinse your mouth with a small sip of water and spit it into the sink.

Step 4

Take a small sip of plain water to notice your baseline taste.

Step 5

With your adult helper take a tiny taste of the bitter strip or a tiny sip of tonic water and then spit it out.

Step 6

Write a number from 0 to 5 on your paper to rate how bitter the sample felt with 0 = no bitterness and 5 = very strong.

Step 7

Rinse your mouth with water and spit to clear the taste.

Step 8

Sit in front of the mirror and stick your tongue out as far as is comfortable.

Step 9

Hold the 1 cm paper circle near the tip of your tongue as a size guide without touching your tongue.

Step 10

Look inside the circle and count the small round bumps you can see on your tongue out loud as you point to each one in the mirror.

Step 11

Write down the total number of bumps you counted on your paper.

Step 12

Talk with your adult helper to compare your bitterness rating and your papillae count to see whether a strong bitterness matches a high bump count.

Step 13

Take a picture or write a short note about your results and share your finished creation on DIY.org

Final steps

You're almost there! Complete all the steps, bring your creation to life, post it, and conquer the challenge!

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Help!?

What can we use if we don't have a bitter strip or a 1 cm paper circle?

If you can't find a bitter strip use a tiny sip of store-bought tonic water with an adult's help and spit it out, and if you don't have a 1 cm paper circle cut one by tracing the eraser end of a pencil or the tip of a marker onto paper as the size guide.

I can't see or count the small bumps on my tongue—what should I try?

Sit in front of a bright mirror, stick your tongue out as far as is comfortable, hold the 1 cm paper circle near the tip without touching your tongue, ask your adult helper to steady the circle, and point aloud to each bump as you count so you don't lose track.

How can we adapt the test for younger or older kids?

For younger children have an adult helper do the rinsing, hold the mirror and circle, and use a simple smiley-face 0–5 scale to point to bitterness, while older kids can test both bitter strip and tonic water, write ratings and papillae counts on paper, and compare results.

How can we extend or personalize the activity after finishing the test?

Try tasting two different samples (bitter strip and tonic water), make a small chart on your paper comparing bitterness ratings to your papillae count, decorate your results, take the picture the instructions suggest, and share your findings on DIY.org.

Watch videos on how to take a supertaster test

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Why Are Some Kids Supertasters? - Child Nutrition Essentials

4 Videos

Facts about taste sensitivity and sensory testing

🧬 A gene called TAS2R38 helps determine whether bitter compounds taste strong — tasting ability often runs in families.

👅 About 25% of people are supertasters, ~50% are medium tasters, and ~25% are non-tasters — your test can sort you into a real group!

🔬 Counting fungiform papillae (the little bumps on your tongue) is a simple way to estimate taste sensitivity — more bumps often mean stronger taste.

🧪 Scientists use bitter chemicals like PTC or PROP to spot supertasters because those flavors taste extra-strong to them.

🥤 Tonic water is bitter because it contains quinine, the same compound once used against malaria; modern tonic has only tiny, safe amounts.

How do you do the supertaster test with kids?

Explain the activity and wash hands first. Give a small sip of tonic water or a food-safe bitter taste strip and ask the child to rate bitterness on a simple scale (none, mild, strong). Rinse with water between samples. To count papillae, dry the tongue, dab a drop of food-grade blue dye, place a small round template (straw or paper punch) over the tip, and count the pink bumps within the circle. Record and compare results.

What materials do I need for a supertaster test?

You’ll need food-grade tonic water (quinine) or commercially made bitter tasting strips, plain water for rinsing, a small round paper template or straw (about 5–6 mm), food-safe blue dye or food coloring, cotton swabs, a clean surface, a magnifying glass or phone camera, paper and pencil for notes, and adult supervision. Use only edible, non-alcoholic products and avoid anything the child is allergic to.

What ages is the supertaster test suitable for?

This activity works well for children aged about 5 and up who can follow simple instructions and safely taste small amounts. Preschoolers may taste tonic water but might not reliably rate intensity or count papillae. Older children (8+) can understand comparisons and record results independently. Always supervise younger kids, check for allergies, and adapt language and steps to your child’s attention span and comfort level.

Is the supertaster test safe for children?

Yes, when done carefully. Use only food-grade tonic water or purpose-made tasting strips and very small amounts. Don’t force children to taste anything they refuse. Check for food allergies or medication interactions and avoid if there are concerns. Keep materials clean, supervise closely, and avoid small parts that could be a choking hazard. If in doubt, consult your pediatrician before testing, especially for very young children or those with medical conditions.
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Take the supertaster test. Activities for Kids.