How much caffeine is safe in a day?
Daily limits, single-dose limits, and what the numbers actually mean
How much caffeine is safe to consume in a day?
Up to 400 mg a day is considered safe for most healthy adults. The US Food and Drug Administration and the European Food Safety Authority both landed on the same figure independently. That is roughly four standard cups of brewed coffee, and it is a total across everything — coffee, tea, cola, energy drinks, pre-workout and caffeinated gum all count against the same 400 mg. Pregnancy, some medications and heart conditions all lower it, and personal sensitivity varies enormously, so treat 400 mg as a population ceiling rather than a personal target.
How much caffeine is too much at once?
EFSA found single doses up to 200 mg — about two cups of coffee — are not associated with adverse effects in healthy adults. Above that, in one sitting, is where jitteriness, a raised heart rate and anxiety start showing up in the research. The daily ceiling and the single-dose ceiling are separate limits and you can breach one without breaching the other.
How much caffeine is in a cup of coffee?
About 95 mg in a standard 240 ml cup of brewed coffee. A single espresso shot is roughly 63 mg, instant coffee is nearer 60 mg, and black tea is around 47 mg. These vary a lot in practice — bean, roast, grind, brew time and cup size all move the number, and a large cafe filter coffee can carry well over 200 mg on its own.
How much caffeine is safe during pregnancy?
200 mg a day. The American College of Obstetricians and Gynecologists, EFSA and the NHS all converge on that figure, half the limit for other adults. Kaffgum is not for anyone pregnant or breastfeeding regardless of the number.
How much caffeine can a teenager have?
EFSA does not set an adult-style figure for under-18s; it uses body weight instead, at 3 mg per kilogram per day. For a 40 kg teenager that is 120 mg, well under half a large coffee. Kaffgum is an 18-plus product and we do not sell it to anyone younger.
What are the signs of too much caffeine?
Jitteriness, a racing or pounding heartbeat, anxiety, headache, an upset stomach and disrupted sleep. They tend to arrive in that order as the dose climbs. The fix is the obvious one: stop, wait it out, and drink water. Persistent palpitations or chest pain are a doctor's problem, not a caffeine-timing problem.
Does caffeine dehydrate you?
Not meaningfully at normal intakes. Caffeine is a mild diuretic, but the fluid in a coffee or tea more than offsets what it makes you pass, and regular consumers develop tolerance to the diuretic effect. Caffeinated drinks count toward daily fluid intake.
How much caffeine should one person have in a day?
No more than 400 mg for a healthy adult, per both the US FDA and EFSA. That is a total across everything: coffee, tea, cola, energy drinks, pre-workout and caffeinated gum all count. It drops to 200 mg a day in pregnancy, and children go by body weight at 3 mg per kilogram.
How much caffeine can I have in one go?
EFSA puts single doses up to 200 mg — roughly two cups of coffee — as not associated with adverse effects in healthy adults. Above that in one sitting is where jitteriness, a raised heart rate and anxiety start appearing in the research. The daily ceiling and the single-dose ceiling are separate limits.
How is caffeine regulated in India?
FSSAI regulates it by category. A non-alcoholic beverage carrying more than 145 mg of caffeine per litre must be labelled a Caffeinated Beverage, the ceiling is 300 mg per litre, and the label has to carry a statement that it is not recommended for children, pregnant or lactating women, or people sensitive to caffeine. Kaffgum is made in India and sold under Indian food law, and the final per-piece figure will be printed on the pack.
Other topics
- Caffeine gum brands and prices in India
- How long caffeine takes to work, and how long it lasts
- L-Theanine and L-Tyrosine with caffeine
- How caffeine gum works, and how long to chew it
- Caffeine gum vs coffee, energy drinks and pre-workout
- When to use caffeine gum
- Caffeine gum, coffee and your teeth
- Is caffeine gum safe?
- What Kaffgum is, and what is in it
- Buying Kaffgum: price, delivery and availability
Kaffgum is a sugarfree caffeinated chewing gum made in India, with caffeine, L-Theanine, L-Tyrosine and vitamins B6, B12 and Niacin in every piece. See both flavours or read how it works.