chamomile herbal tea vs Starbucks London Fog: which has more caffeine?

Starbucks London Fog has more caffeine than chamomile herbal tea on both counts: 40mg per 16 oz grande (40mg at every size) against 0mg per 8 oz cup, and about 2mg per fluid ounce against 0. The serving sizes differ, so the table below shows both ways of counting.

chamomile herbal tea vs Starbucks London Fog: the numbers

Sources: chamomile herbal tea's figure is verified in our chamomile herbal tea caffeine guide against USDA / naturally caffeine-free herbal (source); Starbucks London Fog's figure is verified in our Starbucks London Fog guide against Starbucks nutrition listing (source).

The concentration gap is the striking part: Starbucks London Fog packs roughly 250 times the caffeine per ounce. Sipping speed matters at that density; a 16 oz grande (40mg at every size) finished in minutes hits differently than the same milligrams spread over a slow cup.

Which one should you pick?

Pick chamomile herbal tea when you want the lighter dose or a slower ramp, and Starbucks London Fog when you actually need the bigger hit and know your tolerance. If you are stacking either with other caffeinated drinks through the day, run the math against the 400mg reference rather than guessing.

For context, the FDA cites 400mg of caffeine a day as an amount generally not associated with negative effects in healthy adults. Tolerance and health vary, so treat these numbers as information, not advice.

Related reading

• chamomile herbal tea: the full caffeine guide
• Starbucks London Fog: the full caffeine guide
• The verified caffeine database
• Every drink compared: the comparisons index

FAQ

Does chamomile herbal tea or Starbucks London Fog have more caffeine? Starbucks London Fog: 40mg per 16 oz grande (40mg at every size) versus 0mg per 8 oz cup for chamomile herbal tea.

Which is stronger per ounce? Starbucks London Fog, at about 2.5mg per fluid ounce versus 0.0mg for chamomile herbal tea.