How Essential Amino Acids (EAAs) Work in the Body:
Essential amino acids are the building blocks of protein that the body cannot produce on its own — they must be obtained through diet or supplements.
There Are 9 Essential Amino Acids:
- Leucine – muscle protein synthesis
- Isoleucine – energy regulation
- Valine – muscle recovery
- Lysine – immune support, collagen production
- Methionine – detox, metabolism
- Phenylalanine – neurotransmitter production
- Threonine – skin and connective tissue
- Tryptophan – mood (serotonin), sleep
- Histidine – immune function, tissue repair
How EAAs Work in Your Body(Essential amino acids)
- Protein Synthesis
→ EAAs help build and repair muscle tissue by activating mTOR, a key muscle-building signal. - Prevent Muscle Breakdown
→ During exercise or fasting, EAAs are used to protect muscle from being broken down for energy. - Enzyme & Hormone Production
→ EAAs are needed to make enzymes (for digestion) and hormones (like insulin and serotonin). - Neurotransmitter Support
→ EAAs like tryptophan and phenylalanine are precursors to dopamine, serotonin, and norepinephrine — essential for mood, motivation, and focus. - Recovery & Immune Support
→ EAAs aid in recovery after workouts and help maintain immune health by supporting white blood cell function.
EAAs & Athletic Performance(Essential amino acids)
| Benefit | How EAAs Help |
|---|---|
| Muscle growth | Stimulate muscle protein synthesis (especially leucine) |
| Recovery | Reduce soreness, speed up tissue repair |
| Endurance | Delay fatigue by preserving muscle glycogen |
| Focus & mood | Improve mental performance under stress |
Natural Sources of EAAs:
- Eggs
- Chicken, beef, fish
- Dairy (milk, yogurt, whey)
- Soy, quinoa, buckwheat
- EAA supplements (for fasted or intense training)
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