Guide

The United States produces less than 1% of the coffee it consumes, with domestic cultivation limited almost entirely to Hawaii and Puerto Rico.

A grande Starbucks Iced Pumpkin Cream Chai Tea Latte contains about 95 mg of caffeine, significantly less than a typical cup of brewed coffee.

A 9.5-fluid-ounce bottle of Starbucks Frappuccino Lite contains 60 mg of caffeine, about half the amount in the standard bottled version.

A small (10 fl oz) Dunkin’ Dunkalatte contains approximately 125 mg of caffeine, a moderate amount that lands between a standard latte and a regular.

A single scoop of Starbucks matcha powder contains about 20–25 mg of caffeine, based on the official nutrition data for their drinks.

A Grande Iced Chai Latte from Starbucks has 60 mg of caffeine, far less than a similar-sized coffee.

A McDonald’s McCafé Iced Coffee contains roughly 94 mg caffeine (small), 133 mg (medium), or 235–260 mg (large).

A large (32 fl oz) Dunkin Cold Brew contains roughly 347 mg of caffeine, but the actual amount can vary based on standard brewing procedures.

An average 8-ounce cup of brewed coffee contains about 95 mg of caffeine, but the actual amount can range from 30 mg to over 290 mg depending.

Drinking up to 4 cups of black tea daily is generally considered safe for most adults, but exceeding 8 cups may introduce risks tied to the caffeine.