Rule One Essential Amino 9, Sour Watermelon - 11.5g (1 serving)
- Chloride
- 460 mg
- Sodium
- 160 mg
Build your stack
Three products for three moments of one workout. Untick anything you already have.

- Rule One Essential Amino 9, Sour Watermelon · main product+8
- Nutrend IsoDrinx, Green Apple+55
- Rule One Creatine, Blue Raspberry+70
- Stack bonus · 3 products+150
- 1 productbase
- 2 products+50 bonus
- 3 products+150 bonus
Description
An amino acid mix with all nine essential amino acids and added electrolytes. One serving is 11.5 g.
For you if you want an amino acid and electrolyte mix around training and prefer a product with no added sugar and no gluten.
Rule One Essential Amino 9 is a food supplement containing all nine essential amino acids: leucine, isoleucine, valine, lysine, threonine, phenylalanine, methionine, histidine and tryptophan. One 11.5 g serving provides 7.5 g of them in total. Electrolytes are added to the mix.
It comes in three flavours: Blue Razz Lemonade, Peach Mango and Sour Watermelon. The composition and the amounts per serving listed here are the same for every flavour.
- All nine essential amino acids
Each serving contains leucine, isoleucine, valine, lysine, threonine, phenylalanine, methionine, histidine and tryptophan, 7.5 g in total.
- Branched-chain amino acids
A serving contains 2.5 g of leucine, 1.25 g of isoleucine and 1.25 g of valine.
- Added electrolytes
The electrolyte blend (sodium chloride, potassium chloride, magnesium oxide) is 500 mg per serving. The label also lists 460 mg of chloride and 160 mg of sodium.
- No added sugar, no gluten
According to the manufacturer, the product contains no added sugar and no gluten. Energy is 35 kcal per serving.
What it does
The substances' health claims authorised in the EU, grouped by area. Each row is a claim that holds for the substances in that row.
1 substance · 1 authorised claimHealth claims authorised in the European Union (Regulation (EU) No 432/2012); shown only for substances whose dose in the product meets the claim's condition. A varied and balanced diet and a healthy lifestyle are important.
Read more: BCAA
Composition & nutrition
Ingredients
Per serving (11.5 g): L-leucine 2.5 g, L-isoleucine 1.25 g, L-valine 1.25 g, lysine hydrochloride 900 mg, L-threonine 850 mg, L-phenylalanine 450 mg, L-methionine 150 mg, L-histidine 100 mg and L-tryptophan 50 mg. The R1 Electrolyte Blend (sodium chloride, potassium chloride, magnesium oxide) is 500 mg. Chloride is 460 mg and sodium 160 mg. Energy is 35 kcal.
Nutrition facts
* RI — reference intake of an average adult. Vitamins and minerals are shown against the NRV.
Usage
Take according to the instructions on the pack. One serving is 11.5 g.
Do not exceed the recommended daily dose. A food supplement is not a substitute for a varied and balanced diet and a healthy lifestyle. Keep out of the reach of children. Store in a cool, dry place away from direct sunlight.
Frequently asked questions
Which amino acids does it contain?
All nine essential amino acids: leucine, isoleucine, valine, lysine, threonine, phenylalanine, methionine, histidine and tryptophan. Together they make up 7.5 g per serving.
Which flavours are available?
Blue Razz Lemonade, Peach Mango and Sour Watermelon.
Does it contain sugar or gluten?
According to the manufacturer, it has no added sugar and no gluten.
How much energy is in a serving?
35 kcal per serving. A serving is 11.5 g.
Does it contain electrolytes?
Yes. The blend of sodium chloride, potassium chloride and magnesium oxide is 500 mg per serving.
Technical details
- Product code
- PB-P47691
- EAN / GTIN
- 837234105344
- Gross weight
- 15 g
- Manufacturer
- Rule One
- Listed since
- 10/2026
- Form
- Powder
Sold byFitbar Nutrition OÜ, Rävala pst 6, 10143 Tallinn, info@myfitbar.ee
Reviews
No reviews yet
Tried this one? Share how it went — the first review helps other people most.







