A traditional herb tied to libido and vitality, also named in one graphic but not another.
Tribulus Terrestris is a traditional herb with a long use history tied to libido and vitality, and it's a very common ingredient across the men's performance supplement category.
Research on Tribulus's effect on testosterone specifically is mixed, though its traditional use for libido support is well established.
Like Tongkat Ali, this ingredient appears in the 8-ingredient "Powerful Formula" graphic but not in the separate 6-ingredient graphic for this product — an inconsistency we're flagging rather than resolving on your behalf.