NutriStack
D-Aspartic Acid and Zinc, a synergy.
Both are studied in the context of supporting testosterone and male reproductive function, and may have complementary roles in men who are deficient.
One pair, every claim cited. The two substances, the type, the mechanism, the recommendation, and the primary literature.
Same shape as the other 1,729 pairs in the public database.
From the interaction database
What the row says.
Every entry follows the same shape: what is happening, the mechanism, the recommendation, and the primary literature.
At a glance
- Substances
- D-Aspartic Acid and Zinc
- Pair type
- Synergy
- Evidence (highest tier)
- Emerging
- Source citations
- 2 sources
- Stack Score effect
- +2 to your Stack Score (per scored synergy row).
- Scope
- Supplement × Supplement
- Last verified
- May 30, 2026
Synergy · Emerging evidence
Synergy
What is happening. Both are studied in the context of supporting testosterone and male reproductive function, and may have complementary roles in men who are deficient.
Mechanism. D-aspartic acid acts in the hypothalamic-pituitary axis to stimulate luteinizing hormone and testosterone release, while adequate zinc is a cofactor for testosterone synthesis and supports the gonadal axis.
Recommendation. Reasonable to combine, particularly where zinc status is low. Note that evidence for testosterone benefit in healthy men is mixed for both.
Sources (2)
- Topo E et al., The role and molecular mechanism of D-aspartic acid in the release and synthesis of LH and testosterone in humans and rats, Reproductive Biology and Endocrinology, 2009
- Prasad AS et al., Zinc status and serum testosterone levels of healthy adults, Nutrition, 1996
Stack Score
How this pair moves the number.
Effect on the composite score
If both D-Aspartic Acid and Zinc are in the same stack, this pair applies +2 to your Stack Score (per scored synergy row).
The full algorithm, the clamping rules, and four worked stacks are documented at /methodology/stack-score.
Check your full routine
One pair was the worked example. NutriStack runs every pair in your stack at once.
Drop in your supplements and prescriptions and the public database surfaces every interaction, synergy, timing rule, and contraindication, every one linked to its primary source.