BCAA vs EAA: Which Amino Acid Supplement Is Worth Buying?
Walk through any supplement shop and you will see BCAAs and EAAs side by side. Both are amino acid powders, both come in sweet flavors and both promise better recovery. Here is the honest comparison, so you can decide whether you need either one.
What they are
Proteins are built from 20 amino acids. Nine of them are essential, meaning your body cannot make them and you must get them from food. These are the EAAs, or essential amino acids. Three of those nine are the branched chain amino acids: leucine, isoleucine and valine. These are the BCAAs.
So BCAAs are a small part of the EAAs. An EAA product contains all nine, and a BCAA product contains only three.
Which one is better
Muscle growth needs all the essential amino acids, not only the branched chain ones. That is why EAAs are usually considered the more complete option. Research on BCAAs alone has been mixed, and if you already eat enough protein from food or whey, BCAAs add very little.
The short version:
- If you eat enough protein every day, you probably do not need either. Your protein already contains these amino acids.
- If you train fasted or struggle to eat enough protein, EAAs make more sense than BCAAs.
- If you simply like a flavored drink during training, either is fine, and both can help you drink more water.
BCAA options at Candor Nutrition
- BPI Sports Best BCAA, 30 servings in several flavors
- Scivation Xtend Sport 7G BCAA
- Kevin Levrone BCAA Defender
- Red Rex BCAA
EAA options
- Scivation The Xtend EAA
- Nutrex EAA+ Hydration, which also includes electrolytes
- Kevin Levrone Anabolic Ice EAA
Prices vary by brand and size and change with imports and stock. Check each product page for the current price.
How to choose
- Check the label. Look at how many grams of each amino acid you get per serving.
- Compare cost per serving using the current price and the number of servings.
- Think about what you need. If hydration is your goal, an EAA with electrolytes may help more than a plain BCAA.
When to take them
Most people sip them during training or between meals. Timing is flexible. They are not a replacement for a proper meal or a protein shake.
Should you spend money on them at all?
For most people, putting money toward enough food and a good whey protein or creatine gives a better return than amino powders. If you enjoy them and they help you train hard, they are a fine extra.
BCAA vs EAA: common questions
Are BCAAs worth it if I take whey protein?
Usually not. Whey already contains BCAAs.
Are EAAs better than BCAAs?
EAAs are more complete, so they are generally the better pick.
Do amino acids break a fast?
Yes, they contain calories and trigger a metabolic response, so they technically break a fast.
Are they safe?
For healthy adults at label doses, they are generally considered safe.
This article is general information, not medical advice.