Interaction databaseSupplement × SupplementReviewed May 2026

Maca Root and Tongkat Ali, a synergy.

Maca improves subjective libido without changing hormones; tongkat ali raises testosterone. Combined use targets both subjective and hormonal contributors to male sexual function.

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.

Sourcing standards·Evidence tiers

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
Maca Root and Tongkat Ali
Pair type
Synergy
Evidence (highest tier)
Emerging
Source citations
1 source
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. Maca improves subjective libido without changing hormones; tongkat ali raises testosterone. Combined use targets both subjective and hormonal contributors to male sexual function.

Mechanism. Mechanisms are non-overlapping: maca acts on libido and subjective vitality without hormone change; tongkat ali raises testosterone via LH stimulation.

Recommendation. Common stack: maca 1.5 to 3 g plus tongkat ali 200 to 400 mg per day.

Sources (1)
  1. Shin BC et al. Maca (L. meyenii) for improving sexual function: a systematic review. BMC Complement Altern Med. 2010

Stack Score

How this pair moves the number.

Effect on the composite score

If both Maca Root and Tongkat Ali 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.

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