Forto Coffee Shot vs Starbucks canned Nitro (Black): which has more caffeine?

Forto Coffee Shot has more caffeine than Starbucks canned Nitro (Black) on both counts: 225mg per 2 oz shot against 155mg per 9.6 oz can, and about 112mg per fluid ounce against 16. The serving sizes differ, so the table below shows both ways of counting.

Forto Coffee Shot vs Starbucks canned Nitro (Black): the numbers

Sources: Forto Coffee Shot's figure is verified in our Forto Coffee Shot caffeine guide against Caffeine Informer (source); Starbucks canned Nitro (Black)'s figure is verified in our Starbucks canned Nitro (Black) guide against PepsiCo product facts (source).

The concentration gap is the striking part: Forto Coffee Shot packs roughly 7 times the caffeine per ounce. Sipping speed matters at that density; a 2 oz shot finished in minutes hits differently than the same milligrams spread over a slow cup.

Which one should you pick?

Pick Starbucks canned Nitro (Black) when you want the lighter dose or a slower ramp, and Forto Coffee Shot 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

• Forto Coffee Shot: the full caffeine guide
• Starbucks canned Nitro (Black): the full caffeine guide
• The verified caffeine database
• Every drink compared: the comparisons index
• Compare any two of 120+ drinks

FAQ

Does Forto Coffee Shot or Starbucks canned Nitro (Black) have more caffeine? Forto Coffee Shot: 225mg per 2 oz shot versus 155mg per 9.6 oz can for Starbucks canned Nitro (Black).

Which is stronger per ounce? Forto Coffee Shot, at about 112.5mg per fluid ounce versus 16.1mg for Starbucks canned Nitro (Black).