D-Aspartic Acid (DAA)

What It Is:
An amino acid involved in hormone regulation, often promoted as a natural testosterone booster.

What It’s Used For:

• Temporary increase in testosterone (short-term)

• Hormone balance and potential fertility aid

Typical Dose:

• 2–3 g daily, often cycled (5 days on, 2 off)

Side Effects:

• May cause mild headaches or irritability if overdosed

Why It’s Rated 2/5:
Testosterone spike only short-lived and inconsistent. More placebo than powerhouse for most users.