Starbucks London Fog vs Gold Peak Sweet Tea: which has more caffeine?

Gold Peak Sweet Tea has more caffeine than Starbucks London Fog on both counts: 48mg per 18.5 oz bottle against 40mg per 16 oz grande (40mg at every size), and about 3mg per fluid ounce against 2. The serving sizes differ, so the table below shows both ways of counting.

Starbucks London Fog vs Gold Peak Sweet Tea: the numbers

Sources: Starbucks London Fog's figure is verified in our Starbucks London Fog caffeine guide against Starbucks nutrition listing (source); Gold Peak Sweet Tea's figure is verified in our Gold Peak Sweet Tea guide against Caffeine Informer (source).

Which one should you pick?

Pick Starbucks London Fog when you want the lighter dose or a slower ramp, and Gold Peak Sweet Tea 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

• Starbucks London Fog: the full caffeine guide
• Gold Peak Sweet Tea: the full caffeine guide
• The verified caffeine database
• Every drink compared: the comparisons index

FAQ

Does Starbucks London Fog or Gold Peak Sweet Tea have more caffeine? Gold Peak Sweet Tea: 48mg per 18.5 oz bottle versus 40mg per 16 oz grande (40mg at every size) for Starbucks London Fog.

Which is stronger per ounce? Gold Peak Sweet Tea, at about 2.6mg per fluid ounce versus 2.5mg for Starbucks London Fog.