Catuaba does not have much scientific support

Catuaba

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According to Wikipedia, catuaba refers to the bark of a number of trees -
Trichilia catigua, Erythroxylum vacciniifolium, Anemopaegma, Ilex,
Micropholis, Phyllanthus, Secondatia, Tetragastris and species from
Myrtaceae. An infusion of the barks has been used as an aphrodisiac and
central nervous system stimulant. People believe that it may also have
benefits of sexual enhancement.

A Brazilian herbal medicinal extract named Catuama containing a mixture of
Paullinia cupana (guarana; Sapindaceae), Trichilia catigua (catuaba;
Meliaceae),
Ptychopetalum olacoides (muirapuama; Olacaceae) and Zingiber officinale
(ginger;
Zingiberaceae) is used as a body stimulant, energetic, tonic and
aphrodisiac. [2]

Researchers from University of São Paulo, Brazil have shown that Trichilia
catigua has anti-inflammatory activities as Trichilia catigua inhibited
phospholipase A2 activity in a test-tube study. [1]

In a study, pretreatment of Catuaba casca (Erythroxylum catuaba Arr.
Cam.) extracts effectively protected mice from lethal infection of Escherichia
coli and Staphylococcus aureus. The extracts are also found to inhibit the
activities of the human immunodeficiency virus (HIV) effectively. [3]

Uchino T and co-workers from National Institute of Health Sciences, Japan,
found that extracts of Catuaba (Anemopaegma mirandum) could protect
normal human epidermis keratinocytes [NHEK(B)] against the cytotoxicity
caused by SQOOH. [4]

[1] Barbosa NR, Fischmann L, Talib LL, Gattaz WF. Inhibition of platelet
phospholipase A2 activity by catuaba extract suggests antiinflammatory
properties. Phytother Res. 2004 Nov;18(11):942-4. [2] Oliveira CH, Moraes
ME, Moraes MO, Bezerra FA, Abib E, De Nucci G. Clinical toxicology study
of an herbal medicinal extract of Paullinia cupana, Trichilia catigua,
Ptychopetalum olacoides and Zingiber officinale (Catuama) in healthy
volunteers. Phytother Res. 2005 Jan;19(1):54-7. [3] Manabe H, Sakagami
H, Ishizone H, Kusano H, Fujimaki M, Wada C, Komatsu N, Nakashima H,
Murakami T, Yamamoto N. Effects of Catuaba extracts on microbial and HIV
infection. In Vivo. 1992 Mar-Apr;6(2):161-5. [4] Uchino T, Kawahara N,
Sekita S, Satake M, Saito Y, Tokunaga H, Ando M. Potent protecting effects
of Catuaba (Anemopaegma mirandum) extracts against
hydroperoxide-induced cytotoxicity. Toxicol In Vitro. 2004 Jun;18(3):255-63.