Benefits
Female sexual function improvement (FSFI +92%)
In a consumer study of healthy participants (men and women, ages 25-60), the Female Sexual Function Index (FSFI) score — measuring desire, vaginal lubrication, frequency of sexual thoughts, satisfaction, orgasm, and pain during intercourse — increased significantly by 92% (p=0.01). One of the strongest documented effects for a botanical in women's sexual health.
Male sexual function improvement (40%)
In the same study, 40% of male participants reported better erectile function and sexual satisfaction. Effect size is more modest than in women, but still meaningful in a population where decreased sexual function affects approximately 15% of men worldwide. The dual-sex efficacy is Liboost's key commercial differentiator from male-only or female-only sexual health supplements.
PDE-5 inhibition (cGMP-mediated)
Liboost inhibits phosphodiesterase-5 (PDE-5) — the same enzyme target as sildenafil (Viagra®), tadalafil (Cialis®), and other ED medications. PDE-5 inhibition prevents cGMP degradation, allowing sustained smooth muscle relaxation and improved blood flow. Magnitude is much milder than pharmaceutical PDE-5 inhibitors but operates via the same mechanism.
Aromatase inhibition for testosterone support
The naturally occurring apigenin-7-O-glucoside and acacetin content in Liboost increases testosterone levels via anti-aromatase activity. Aromatase converts testosterone to estradiol — inhibiting this enzyme increases testosterone availability. Same mechanism as the cancer drug anastrozole. Liboost also inhibits testosterone degradation, maintaining levels for healthy sexual desire.
Three characterized mechanisms of action
An in vitro study characterized three mechanisms of action behind damiana's sexual health effects: aromatase modulation (for testosterone balance), PDE-5 inhibition (for vascular smooth muscle relaxation), and testosterone degradation inhibition. The multi-target approach addresses multiple pathways relevant to sexual function rather than relying on a single mechanism.
Consumer acceptance — high purchase intent
After the consumer study, 83% of participants intended to purchase Liboost and 85% would recommend it to others. High consumer acceptance reflects the subjective effect magnitude alongside the standardized formulation quality.
Adulteration-protected standardization
FDA data indicates over 95% of adulterated supplements target sexual enhancement — typically spiked with prescription PDE-5 inhibitors or their analogs. Liboost's standardization to Liboonoides® ensures homogeneity and purity, with extra quality control to prove absence of adulterants. Doping-free certification (relevant for athletes) plus halal and kosher certifications.
Mayan/Aztec traditional precedent
Damiana's earliest recorded use as an aphrodisiac dates to the Mayans and Aztecs centuries ago. The botanical was used to strengthen and stimulate sexual function in traditional Mexican medicine. The long traditional use precedent supports the general safety profile and provides cultural authenticity that resonates with consumers seeking natural alternatives to pharmaceutical sexual enhancement options.
Mechanism of action
PDE-5 inhibition for smooth muscle relaxation
Phosphodiesterase-5 (PDE-5) degrades cyclic guanosine monophosphate (cGMP), the second messenger that triggers vascular smooth muscle relaxation. Inhibiting PDE-5 (the mechanism of sildenafil/tadalafil) preserves cGMP and supports sustained smooth muscle relaxation in vascular and erectile tissue. Liboost provides milder PDE-5 inhibition via its flavonoid content.
Aromatase inhibition for testosterone preservation
Apigenin-7-O-glucoside and acacetin in Liboost inhibit aromatase — the enzyme that converts testosterone to estradiol. Inhibition increases free testosterone levels. Same target as the breast cancer drug anastrozole. Particularly relevant for aging men whose declining testosterone and rising estradiol contribute to sexual dysfunction.
Testosterone degradation inhibition
Liboost also inhibits enzymes that degrade testosterone — preserving circulating testosterone levels alongside the aromatase mechanism. Maintaining testosterone supports both libido (central nervous system effects) and physical sexual response. Multi-pathway testosterone support distinguishes Liboost from supplements targeting a single testosterone pathway.
Central nervous system effects
Damiana has received attention for effects on the central nervous system — relevant for the desire and arousal components of sexual function. The exact CNS mechanism is not fully characterized but may involve GABAergic modulation and effects on stress/anxiety pathways that frequently contribute to sexual dysfunction in both men and women.
Hormonal balance support
Damiana has historical and modern attention for hormonal balance effects. The combined aromatase inhibition and testosterone preservation contribute to favorable testosterone-to-estrogen ratios. In women, the mechanism may support libido during perimenopausal hormonal shifts where decreased testosterone and changing estrogen patterns contribute to sexual function changes.
Clinical trials
4-week consumer study conducted by Pharmactive evaluating Liboost at 300 mg/day for sexual function in healthy adults. Validated instruments including Female Sexual Function Index (FSFI) for women and erectile function/satisfaction parameters for men. Distinguished by including both sexes in a single trial — most sexual health supplements target one sex only.
60 healthy participants, evenly divided between men and women, aged 25-60.
Female Sexual Function Index (FSFI) increased significantly by 92% (p=0.01) — measuring desire, vaginal lubrication, frequency of sexual thoughts, satisfaction, orgasm, and pain. 40% of male participants reported better erectile function and sexual satisfaction. 83% of participants intended to purchase Liboost after the study; 85% would recommend to others. High consumer acceptance alongside measurable outcome improvements.
In vitro mechanistic study characterizing the three pathways behind Liboost's sexual function effects: aromatase modulation, PDE-5 inhibition, and testosterone degradation inhibition. 49 phytochemical compounds characterized via HPLC — among the most chemically defined damiana extracts. Foundation for the multi-target mechanism positioning.
Not applicable — in vitro mechanistic and characterization studies.
Three characterized mechanisms: (1) aromatase modulation via apigenin-7-O-glucoside and acacetin — increasing testosterone availability by preventing conversion to estradiol; (2) PDE-5 inhibition for smooth muscle relaxation via cGMP preservation; (3) testosterone degradation inhibition. Multi-target mechanism makes resistance development unlikely vs single-target pharmaceutical PDE-5 inhibitors.
Larger 4-week placebo-controlled consumer study expanding on the initial 60-person trial. 120 healthy adults assessed via questionnaires on sexual function indices. Provides confirmatory evidence for the 60-person trial findings with greater statistical power.
120 healthy adults. 4-week placebo-controlled protocol.
Confirmed the initial 60-person trial findings — men reported 40% improvement and women reported 92% improvement in overall sexual function indexes. Effect sizes consistent across the two studies supports replicability. The combination of standardization, mechanism characterization, and consumer trial data positions Liboost as one of the more thoroughly developed botanical sexual health ingredients.