Quick Summary
USN B4 Bomb is a pre-workout powder in a 300 g pack with 20 servings and Blue Raspberry flavour. It is described as a drink powder with caffeine, beta alanine and L-citrulline, and the title also states 200 mg caffeine, 6,000 mg citrulline and creatine.
This is a supplement for use before training, so the main buying checks are the serving size, flavour and the exact ingredients you want in a pre-workout formula.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product type | Pre-workout powder for mixing as a drink before exercise. |
| Pack size | 300 g. Compare this with how long you expect the tub to last. |
| Servings | 20 servings. Check that the serving count matches your routine. |
| Flavour | Blue Raspberry. |
| Caffeine | 200 mg caffeine is stated in the product name. |
| Other named ingredients | Citrulline, creatine and beta alanine are named in the product name, and the description also mentions caffeine, beta alanine and L-citrulline. |
| Dietary claim | Sugar free. |
What to Compare Before Buying
- Serving size: This pack contains 20 servings, so compare that with how often you plan to use it.
- Stimulant content: 200 mg caffeine is stated in the product name, so check whether that level suits your preference.
- Formula: Citrulline, creatine and beta alanine are named, so compare the ingredient mix with the kind of pre-workout you want.
- Flavour: Blue Raspberry is the stated flavour, so choose a flavour you are happy to use regularly.
Before You Decide
Confirm that you want a 300 g pre-workout powder with 20 servings, Blue Raspberry flavour and the stated caffeine-heavy formula. If you are comparing offers, check the exact pack size and ingredient mix before choosing.






