7 Japanese Vending Machine Drinks: What to Choose & Check

Start with the kind of drink you want, then check the small print. The can beside a coffee might contain corn soup. The white soda can contain milk. And a bottle called “cider” can be a nonalcoholic soft drink with no apple juice in its ingredient list.

These seven examples give you a way to choose when the display is mostly in Japanese. They are based on manufacturers’ product information, checked November 1, 2026; this is not a taste-test ranking or a live stock list. Brands, container sizes and hot selections vary between machines and seasons.

Choose by the drink, not just the picture

If you want…	Look for…	Check before choosing
Something savory	Corn potage / コーンポタージュ	Serving temperature; this example contains dairy and chicken
Sweet, milky bubbles	Calpis Soda / カルピスソーダ	Milk and soy in the cited version
A still electrolyte drink	Pocari Sweat / ポカリスエット	It contains sugar; it is not sparkling water
Sweet coffee with milk	Boss Rainbow Mountain Blend / レインボーマウンテンブレンド	Milk, sugar and caffeine
Unsweetened tea	Oi Ocha Green Tea / お〜いお茶 緑茶	Green tea still contains caffeine
Sweet black tea with milk	Gogo no Kocha Milk Tea / 午後の紅茶 ミルクティー	Milk, sugar and caffeine
A clear sweet soda	Mitsuya Cider / 三ツ矢サイダー	Standard and zero-sugar versions are different products

The ingredients below refer to the linked products, not every flavor sold under each brand. If an ingredient or allergen matters to you, use the current package and the matching manufacturer’s listing; recipes can change and different sizes can have different formulations.

1. Corn potage: the savory surprise

A drink machine can sell an actual soup. Pokka Sapporo’s Jikkuri Kotokoto Toro-ri Corn, for example, is a 190g can of corn potage with corn kernels. That makes it a different choice from a sweet corn-flavored drink.

Choose it when: you want a small savory option and the machine offers it at a temperature you want. Check the selection label rather than assuming every soup can is heated.

Look closer: this version includes dairy ingredients and chicken paste; its listed allergens include wheat, milk and chicken. A picture of corn does not make it a vegetarian soup. There is also no universal month when every machine begins selling it.

2. Calpis Soda: sweet, milky and carbonated

The white drink is not lemon soda or sparkling water. Calpis Soda combines a fermented milk-based drink with carbonation. The regular 350ml can lists sugars, skimmed milk powder and a lactic-acid-bacteria drink among its ingredients, with milk and soy identified as allergens.

Choose it when: the idea of a sweet, tangy, milky soda sounds appealing. The word Soda matters: other Calpis products include still drinks and concentrates intended for dilution.

If you are avoiding dairy, choose by the ingredient label rather than assuming a soft-drink machine contains only milk-free options.

3. Pocari Sweat: a still, sweetened electrolyte drink

The name can be a distraction. Pocari Sweat’s standard bottled drink contains water, sugars, fruit juice and electrolytes. It is neither a fruit-flavored sparkling water nor a sugar-free drink.

Choose it when: you specifically want a sweetened electrolyte drink. If you just want unsweetened water, look for a water selection instead.

Read the exact product name: the brand also sells other formats, including powders and jelly products. This guide describes the standard ready-to-drink version. Check the container when comparing it with another product in the lineup.

4. Boss Rainbow Mountain Blend: coffee already mixed with milk and sugar

The Boss name covers multiple coffees. Rainbow Mountain Blend lists milk, sugar and coffee, along with other ingredients. It also contains caffeine. The mountain name tells you which blend you are looking at, not that it is black coffee.

Choose it when: you want a ready-mixed sweet coffee. If you prefer coffee without milk or sugar, look for a different selection explicitly labeled black and 無糖 (muto, unsweetened), then check that product’s ingredients.

For this can, decide hot or cold from the machine’s label. Container size, price and availability are separate checks; a manufacturer’s online case price is not the price of one can at a machine.

5. Oi Ocha Green Tea: unsweetened does not mean caffeine-free

Ito En’s Oi Ocha Green Tea 460ml lists Japanese green tea and vitamin C as its ingredients, with no sugar ingredient. Its nutrition panel lists zero calories, and its additional information lists caffeine.

Choose it when: you want an unsweetened tea instead of a sweet soda or milk tea. Read 緑茶 (ryokucha, green tea) on the label; the brand has several products, so a similar-looking bottle is not enough to identify the recipe.

If your main requirement is avoiding caffeine, this green tea is not the same choice as water. Do not read “unsweetened” as a caffeine claim.

6. Gogo no Kocha Milk Tea: black tea with milk and sugar

Kirin’s Gogo no Kocha Milk Tea combines black tea, milk and sugar. The cited 500ml version contains milk ingredients and caffeine; it is a different drink from an unsweetened straight tea.

Choose it when: you want a sweet, milky tea that is already mixed. Look for ミルクティー (miruku ti, milk tea), then check the bottle size and temperature you are actually buying.

Kirin notes that ingredients and nutrition can differ by container or size. Match the full product name to the container in front of you rather than relying on an old photograph of a different bottle.

7. Mitsuya Cider: a soft drink, despite the name

Standard Mitsuya Cider is a nonalcoholic carbonated soft drink. The cited 430ml bottle lists glucose-fructose syrup, carbonation, flavoring and acidulant. It does not list apple juice.

Choose it when: you want a clear sweet soda, not an alcoholic apple cider. The Japanese サイダー (saida) on this product is a useful reminder that a familiar-looking English word can point to a different drink.

Standard Mitsuya Cider and the brand’s ZERO products have separate recipes. Check the full name rather than assuming every clear bottle has the same sugar content.

Read the machine before paying

You do not need to memorize a button layout. Start with these labels:

Japanese	What it tells you
あたたかい / あったか～い	Warm or hot selection
つめたい	Cold selection
売切 / 売り切れ	Sold out
おつり	Change
無糖	Unsweetened; it does not mean caffeine-free

Red and blue labels are common temperature cues, but read the words beside the specific selection. The same product can appear in more than one place on a machine, and a soup image alone does not tell you its serving temperature.

Use the price shown on that machine. Payment options also vary: look for cash slots or the card and mobile-payment logos displayed on the unit. Do not assume every machine accepts either cash or a transport IC card.

The interesting choice is not necessarily the strangest name. It is the drink that fits what you want now: savory, sweet, unsweetened, fizzy, milky, hot or cold. For the broader story of the machines themselves, continue to Japan’s vending machines, or explore 30 things to notice on a first trip.