Nutricost D-Aspartic Acid Capsules (180 caps)
$16.99
- 3,000 mg D-aspartic acid per 4 capsules
- 750 mg per capsule
- 45 servings in 180 capsules
- Non-GMO gluten-free and third-party tested, per the label
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Nutricost D-Aspartic Acid
D-aspartic acid for testosterone support, with 3,000 mg in every 4-capsule serving
This is Nutricost's D-aspartic acid (DAA): 3,000 mg in a 4-capsule serving, with 180 capsules for 45 servings. Nutricost files it with its men's health and amino acid products, and men take DAA to support healthy testosterone levels.
D-aspartic acid is an amino acid found mainly in the pituitary gland and testes, where it has a role in releasing and making testosterone and luteinizing hormone. In one study, men who took D-aspartate for 12 days had higher testosterone (Topo et al., 2009), but resistance-trained men taking 3 g a day for 28 days saw no change (Willoughby and Leutholtz, 2013), and a 2017 review calls the human results inconsistent (Roshanzamir and Safavi, 2017).
- 3,000mgD-aspartic acid per 4 capsules
- 750mgper capsule
- 45servings in 180 capsules
- Non-GMOgluten-free and third-party tested, per the label
Supplement facts per 4 capsules
| D-aspartic acid | 3,000 mg |
|---|
Other ingredients: Gelatin capsule, magnesium stearate (vegetable source), silica
Non-GMO, gluten-free and third-party tested, according to the label. Made and quality tested in the USA with globally sourced ingredients, in a GMP-compliant facility. The capsules are gelatin, so it isn't vegetarian.
How to use it
- Take 4 capsules a day with 8 to 12 oz of water.
- Store the bottle in a cool, dry place.
For healthy adults 18 and older. Check with a healthcare professional before use if you're pregnant or nursing, take medication or have a medical condition. Keep out of reach of children, and don't use it if the safety seal is broken or missing. Nutricost's product page carries a California Proposition 65 notice for this size that it can expose you to lead, which California lists as causing birth defects or other reproductive harm.
A good fit if you
- Want D-aspartic acid as part of a testosterone support routine
- Prefer a single-ingredient formula
- Want 45 servings in one bottle
Pairs well with
Common questions
How much DAA is in a serving?
3,000 mg in 4 capsules, or 750 mg per capsule. The bottle has 180 capsules, which is 45 servings.
Does D-aspartic acid raise testosterone?
The research is mixed. A 12-day study in men found higher testosterone, a 28-day study in trained men at 3 g a day found no change, and a 2017 review calls the human evidence inconsistent and asks for larger trials.
Is it vegetarian?
No. The capsules are gelatin.
What's the Prop 65 notice about?
Nutricost's product page says this size can expose you to lead, which California lists as causing birth defects or other reproductive harm. Nutricost doesn't publish the amount.
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