© 2026 Supplement DB
Information is based on public data such as DSLD and PubChem. Always check the product label before purchasing.
Amino Acids
Products with this ingredient (on market):
Across the listed products that contain L-Isoleucine, we counted whether the amount is disclosed, how much is used, in which dosage forms and brands, and what it is combined with. This shows how the ingredient is used in a way a single label cannot.
| Amount disclosed | 823 | The label states a quantity |
|---|---|---|
| Amount not disclosed | 373 (31%) | Typically a component of a proprietary blend, where the manufacturer does not publish the amount |
| Measure | Amount | Meaning |
|---|---|---|
| Minimum | 4.3 mg | Lowest label value in the database |
| 25th percentile | 375 mg | A quarter of products are at or below this |
| Median | 750 mg | The middle value |
Branched Chain-Amino Capsules
Hollywood Supps
Cardio Cuts 4.0 Raspberry Lemonade
NDS Nutrition
Cardio Cuts 4.0 Gummy Candy Rush
NDS Nutrition
Women's 73 Nutrient Soft-Gel Multi
Nature's Secret
BCAA Hydration Crystal Blue Ice
Beast
Aminoblend
Douglas Laboratories
BioSteel Hydration Mix Mixed Berry Flavor
BioSteel
Carbonated BCAA +Energy Tropical Twist
Celsius
Whey + Muscle Builder Vanilla Cream
MuscleTech Performance Series
Anda Lean
Brutal Force
| 75th percentile |
|---|
| 1,329 mg |
| A quarter of products are at or above this |
| Maximum | 8,333 mg | Highest label value in the database |
|---|
| Unit | Products | Share |
|---|---|---|
| mg | 514 | 63% |
| g | 307 | 37% |
| mcg | 1 | 0% |
| Form | Products | Share |
|---|---|---|
| Powder | 939 | 79% |
| Capsule | 108 | 9% |
| Tablet | 66 | 6% |
| Liquid | 37 | 3% |
| Other (e.g. tea bag) | 27 | 2% |
| Softgel | 14 | 1% |
| Brand | Products | Share |
|---|---|---|
| XTEND | 38 | 3% |
| GNC AMP Advanced Muscle Performance | 35 | 3% |
| Nutrex Research | 21 | 2% |
| Muscle Feast | 21 | 2% |
| MuscleTech Performance Series | 19 | 2% |
| GNC Beyond Raw Chemistry Labs | 17 | 1% |
| NutraBio |
These figures are mechanical summaries of label values from on-market products in our database. Serving definitions (number of capsules and so on) vary by product, and the figures are not intake guidance or recommendations. Check each product page and label for actual amounts.
| 16 |
| 1% |
| GNC Beyond Raw | 16 | 1% |
| Gaspari Nutrition | 16 | 1% |
| Precision Engineered | 15 | 1% |
| Calcium |
| 489 |
| 42% |
| Magnesium | 378 | 32% |
| Vitamin B6 | 374 | 32% |
| L-Glutamine | 314 | 27% |
| Protein | 295 | 25% |
| Vitamin C | 283 | 24% |
| Taurine | 273 | 23% |
| L-Threonine | 269 | 23% |
| Vitamin B12 | 257 | 22% |