Know exactly what’s in it
Mix your own pre-workout
Caffeine, beta-alanine and citrulline – three ingredients many pre-workouts are built around. Bought separately, you choose every amount.
$0.37a training day
at the lowest prices, quality 75+
$1.18with typical prices
$4.77
a month, 3 training days a week
$57
a year, at the lowest prices
What it’s for
Caffeine is taken to feel more alert and make training feel easier. Beta-alanine can delay the burn in hard efforts of one to four minutes (studies are good), citrulline is taken to widen blood vessels (studies are mixed).
Not medical advice.
What’s in it
Caffeine
200 mg caffeine There’s no recommended amount a day. For healthy adults, 400 mg a day is cited as an amount not generally linked to negative effects (FDA).Not a recommendation. Not medical advice.
- Lowest
- 3.8¢
- Typical
- 8¢
Beta-alanine
4 g beta-alanine 4 g is within the 4–6 g a day in studies (ISSN).Not a recommendation. Not medical advice.
- Lowest
- $0.10
- Typical
- $0.32
Citrulline
6 g citrulline There’s no official daily amount for citrulline.Not a recommendation. Not medical advice.
Prices: L-citrulline only
- Lowest
- $0.23
- Typical
- $0.77
Each color is one part of the combo – per training day.
| Part | Lowest | Typical |
|---|---|---|
| Caffeine | 3.8¢ | 8¢ |
| Beta-alanine | $0.10 | $0.32 |
| Citrulline | $0.23 | $0.77 |
Bought separately
Ready-made pre-workout with caffeine
Per serving as on the label. The amounts inside differ a lot – some hide them in a “proprietary blend”.
See all 207 ready-made productsNot medical advice
We compare prices and label data. The amounts are the ones we compare by – usually the common amount on labels – not recommendations. Talk to a doctor or pharmacist before taking supplements, especially if you are under 18, pregnant or on medication.
Prices: our own check of 7,383 products in US online stores (Nov 1, 2026). How we check
