is there caffeine in this?

Please see http://www.itoen.com/ready-to-drink/oi-ocha/oi-ocha-dark-16-9-fl-oz-12-bottles-case, which is worded confusingly, saying that it has 50 mg per 8 oz even though each bottle is 16.9 oz, so it's actually a bit north of 100 mg. If you want less caffeine, the non-bold version only has 60 mg per bottle.

Does the cold green tea have the same health benefits as hot green tea?

I think what you want to ask is: does bottled tea have the same health benefits as freshly brewed tea? I heard that it doesn't. I think you lose some healthy components like within an hour after it is brewed. I don't think Bottling preserves everything good in fresh tea. I bet this has been researched. Wonder what good things are left in bottled teas, and if there's any Bad components created. Pretty sure plastic bottles will add some bad components.

Is this product made in Japan or China? I've seen product listing that state one or the other ... Thank you!

This clearly states on the box they come in and the bottles that it's a product of Taiwan. It is misleading because their Amazon account says made in Japan etc... The leaves might be from Japan but it's not a product of Japan. I was dissapointed when I saw this but I still like the tea.

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(Oi Ocha) Japanese Green Tea, 16.9-Ounce Bottles (Pack of 12)

Product ID: 57872535

Details

Brand
ITO EN
Caffeine Content Description
Medium
Flavour
green tea
Item form
Liquid
Item weight
6704 Grams
Number of items
12

⚡Medium caffeine boost

🍃100% whole leaf brewed

🧴Ready-to-drink convenience

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Description

🍵 Sip the authentic green tea experience that keeps you sharp, refreshed, and ahead of the wellness curve.

PURE WHOLE LEAF POWER - Brewed from first-harvested whole green tea leaves for maximum antioxidants and authentic flavor.
ON THE GO GREEN ENERGY - Convenient 16.9 oz bottles designed for busy professionals who demand refreshment anytime, anywhere.
LOW CALORIE WELLNESS BOOST - Only 5 calories per bottle, perfect for guilt-free hydration that supports your health goals.
CLEAN REFRESHING HYDRATION - Sugar-free, no artificial additives, delivering a crisp, natural taste that beats sugary sodas.
TRUSTED JAPANESE CRAFTSMANSHIP - From ITO EN, Japan’s #1 green tea brand, blending tradition with modern wellness innovation.

Oi Ocha Japanese Green Tea is a premium, sugar-free beverage brewed from first-harvest whole green tea leaves, delivering natural antioxidants and a clean, refreshing taste in convenient 16.9-ounce bottles. With only 5 calories and no artificial additives, it’s the perfect low-calorie hydration choice for health-conscious professionals seeking authentic Japanese quality and a natural energy boost.

Specifications

ASIN	B0017T2MWW
ASIN	B0017T2MWW
Allergen Information	Contains: Dairy Free, Gluten Free
Benefits	Natural Taste, Low Calories, Antioxidant Rich, Health & Wellness
Best Sellers Rank	21,552 in Grocery ( See Top 100 in Grocery ) 122 in Green Tea
Brand Name	ITO EN
Caffeine Content Description	Medium Caffeine
Container Type	Bottle
Customer Reviews	4.5 4.5 out of 5 stars (8,162)
Customer reviews	4.5 4.5 out of 5 stars (8,162)
Each Unit Count	16.9
Flavour	green tea
Global Trade Identification Number	20835143001058
Is discontinued by manufacturer	No
Item Dimensions	26.7 x 20.3 x 21.6 centimetres
Item Form	Liquid
Item Type Name	Green Tea
Item Volume	202.8 Fluid Ounces
Item Weight	6704 Grams
Item model number	835143001047
Liquid Contents Description	Coffee & Tea Drinks
Manufacturer	Ito En
Manufacturer	Ito En
Model Number	835143001047
Number of Items	12
Package Size Name	Pack of 12
Part Number	835143001399
Product Dimensions	26.67 x 20.32 x 21.59 cm; 6.7 kg
Recommended Uses For Product	everyday hydration, traveling
Special Ingredients	Green Tea
Speciality	Unsweetened
Sweetness Description	Not Sweet
Tea Variety	Green
Unit Count	5746.4 gram

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179520CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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