Tongkat Ali is an herbal extract known for its adaptogenic properties and potential to support healthy testosterone levels, particularly in men with suboptimal levels. It may act by reducing cortisol, a stress hormone, and by potentially stimulating Leydig cells. Its relevance to healthspan lies in improving hormonal balance, enhancing libido, reducing fatigue, and supporting overall vitality, which are critical components of maintaining functional capacity and quality of life as one ages.
Verdict
Moderate evidence for vitality, proceed with quality and caution.
HEALTHSPAN IMPACT
Moderate
RISK LEVEL
Low
EVIDENCE GRADE
B
MONTHLY COST
$20 - $50
Protocol
- Typical dosages range from 200 mg to 600 mg of standardized extract daily.
- Some protocols suggest cycling, such as 5 days on and 2 days off, or 2 months on and 1 month off, to optimize effects and minimize tolerance.
Flags
- May cause insomnia, irritability, or mild restlessness in some individuals.
- Potential interactions with hormone-sensitive conditions or medications (e.g., hormone replacement therapy).
- Purity and standardization of supplements can vary significantly; sourcing from reputable manufacturers is crucial.
- Limited long-term safety data, particularly regarding continuous high-dose use.