PRIMAL - MALE FERTILITY & SEXUAL HEALTH

A nutrient-dense root vegetable with one of the highest concentrations of dietary nitrates found in any food source. Naturally rich in betalains, polyphenols, and flavonoids alongside essential vitamins and minerals — zinc, magnesium, iron, B-complex, and vitamin C. Widely studied for its effects on circulation, cardiovascular health, and male reproductive function. Works through two primary channels: nitric oxide production and antioxidant protection — the two mechanisms most critical to vascular and sexual performance.

1. NITRIC OXIDE PRODUCTION & VASODILATIONOne of the richest natural sources of dietary nitrates, converted via oral bacteria to nitrite and then to nitric oxide (NO) within the body. Nitric oxide signals smooth muscle cells lining blood vessels to relax, activating guanylate cyclase and increasing cyclic GMP (cGMP) — causing vasodilation. In the context of sexual health, increased NO availability allows blood vessels in penile tissue to dilate more effectively, directly improving erection quality, strength, and overall vascular sexual performance.
2. ANTIOXIDANT PROTECTION & SPERM QUALITYBetalains and phenolic compounds neutralise reactive oxygen species, protecting sperm cells from oxidative damage. Sperm are structurally vulnerable to free radical damage — excess oxidative stress impairs motility, reduces count, and damages sperm DNA. Beetroot's antioxidants preserve structural integrity, supporting improved sperm motility, DNA integrity, and overall reproductive health.
3. NUTRIENT DENSITY & HORMONAL SUPPORTProvides zinc (essential for testosterone synthesis and sperm production), magnesium (supports energy metabolism and hormone regulation), and B-vitamins (contribute to DNA synthesis and cellular energy). The full micronutrient profile supports the underlying biological processes required for optimal testosterone production, sperm development, and male reproductive function.

• Enhances blood flow and erectile function via nitric oxide
• Improves erection quality and vascular performance
• Supports sperm health, motility, and DNA integrity
• Provides key nutrients for testosterone and reproductive function
• Reduces oxidative stress and protects reproductive cells

• The Role of Nitric Oxide in Erectile Dysfunction: Implications for Medical TherapyView study ↗
• Nitrate Derived from Beetroot Juice Lowers Blood Pressure: Systematic Review and Meta-AnalysisView study ↗
• L-Citrulline and Beetroot Supplements Improve Nighttime ErectionsView study ↗
• Beetroot Supplementation on Physical Performance Through Metabolic, Neuroendocrine, and Antioxidant Mechanisms: A Narrative ReviewView study ↗

A medicinal plant used for over 2,000 years in traditional Chinese and Korean medicine to support energy, vitality, and male reproductive health. Grows primarily in Korea, China, and Siberia. Primary active compounds — ginsenosides — influence key systems involved in circulation, hormonal regulation, and neurological function. Widely associated with improvements in erectile function, libido, and overall sexual performance. Among the most clinically validated herbal interventions for male sexual health, with multiple randomised controlled trials demonstrating efficacy across diverse male populations.

1. SMOOTH MUSCLE SIGNALLING & ERECTILE FUNCTIONGinsenosides enhance nitric oxide activity and cyclic GMP (cGMP) signalling — the primary molecular pathway controlling smooth muscle relaxation in penile vasculature. This allows blood vessels in penile tissue to dilate more effectively, improving blood filling and erection quality. The mechanism is distinct from and complementary to dietary nitrate pathways: ginsenosides act directly on cellular signalling systems that govern vascular tone.
2. HPG AXIS SUPPORT & TESTOSTERONE REGULATIONGinsenosides support the hypothalamic-pituitary-gonadal (HPG) axis — the hormonal cascade controlling testosterone production. Improves signalling between the hypothalamus, pituitary, and testes, enhancing luteinising hormone (LH) output and downstream testosterone synthesis. Does not act as a direct testosterone booster; rather, it optimises the body's natural hormonal regulation system.
3. DOPAMINE SUPPORT & LIBIDOGinsenosides enhance dopamine release and receptor activity in the hypothalamus and limbic system — brain regions that regulate sexual behaviour, emotional response, and motivation. When dopamine signalling is more efficient, it becomes easier to initiate and sustain sexual desire. The result is improved libido, increased sexual motivation, and overall male vitality.

• Supports healthy testosterone production and hormonal balance
• Enhances sexual performance and erectile function
• Improves libido, motivation, and sexual engagement
• Supports overall male vitality and reproductive health
• Complementary mechanism to nitrate-based vasodilation

• Ginseng for Erectile DysfunctionView study ↗
• Ginseng and Male Reproductive FunctionView study ↗
• Efficacy of Panax Ginseng Supplementation on Androgen Deficiency Rats via Metabolomics and Gut MicrobiotaView study ↗
• Ginseng, Sex Behavior, and Nitric OxideView study ↗

A plant native to the high-altitude Andes in Peru, used for centuries to support energy, stamina, and reproductive health. Contains macamides, macaenes, flavonoids, and plant sterols — the bioactive compounds responsible for its documented effects on sexual function and fertility. Widely associated with improvements in libido, sexual performance, and male fertility, particularly sperm quality and motility. Operates through neurological and cellular mechanisms rather than direct hormonal pathways, making it a distinct complement to testosterone-modulating ingredients in the formula.

1. LIBIDO & DOPAMINERGIC SUPPORTMacamides and macaenes act on dopaminergic pathways in the hypothalamus and limbic system — regions governing sexual behaviour and reward processing. Dopamine drives libido by controlling motivation, arousal, and goal-directed behaviour. Macamides enhance dopamine release and receptor responsiveness, making the brain more responsive to sexual stimuli. Clinical trials confirm improved libido independently of changes in testosterone — validating that the mechanism is neurological, not hormonal.
2. SPERM QUALITY & MALE FERTILITYSupports sperm count, motility, and morphology through antioxidant activity and mitochondrial support within sperm cells. Sperm cells require high ATP for motility, and are highly sensitive to oxidative damage. Maca compounds neutralise free radicals protecting sperm structure, and support mitochondrial ATP production — improving the energy available for sperm movement. The result is healthier, more active sperm with improved fertilisation potential.
3. ENERGY & PHYSICAL STAMINAFlavonoids and plant sterols support mitochondrial efficiency and cellular energy production, contributing to improved physical stamina, endurance, and reduced fatigue. The adaptogenic properties of maca help maintain physical output under sustained demand — supporting both in-workout performance and overall vitality.

• Increases libido, sexual desire, and overall sexual motivation
• Supports sperm quality, motility, and male fertility
• Improves energy, stamina, and overall vitality
• Enhances sexual performance and responsiveness
• Neurological mechanism — distinct from testosterone pathway

• Exploring the Chemical and Pharmacological Variability of Lepidium meyenii: A Comprehensive ReviewView study ↗
• Effect of Lepidium meyenii (Maca) on Sexual Desire and Serum Testosterone Levels in Healthy MenView study ↗
• The Use of Maca to Improve Semen Quality: A Systematic ReviewView study ↗
• Maca Root for Management of SSRI-Induced Sexual Dysfunction: Double-Blind, Randomized Pilot StudyView study ↗

A fruit used for centuries in traditional medicine for its effects on cardiovascular health, vitality, and reproductive function. Rich in polyphenols — specifically punicalagins, ellagic acid, and anthocyanins — with some of the highest antioxidant capacity of any food source. The mechanism of action distinguishes pomegranate from other nitric oxide-supporting ingredients: rather than increasing NO production, it prevents the oxidative breakdown of existing nitric oxide — preserving and extending its vascular effects. Clinical research has also demonstrated increases in salivary testosterone levels and improvements in erectile function.

1. NITRIC OXIDE PRESERVATIONPunicalagins and ellagic acid act as potent antioxidants, neutralising the reactive oxygen species that rapidly break down nitric oxide in the vascular system. By preventing NO degradation, pomegranate extends the duration and magnitude of vasodilation — allowing blood vessels to remain relaxed for longer. This is a complementary and additive mechanism to beetroot's NO production: beetroot generates more NO; pomegranate prevents its destruction.
2. TESTOSTERONE SUPPORTClinical research has demonstrated that pomegranate juice consumption significantly increases salivary testosterone levels in healthy men and women after 14 days. The mechanism is thought to involve antioxidant protection of steroidogenic enzymes in the testes — preserving the function of cells responsible for testosterone synthesis and reducing the oxidative stress that impairs hormonal output.
3. ANTIOXIDANT PROTECTION & SPERM QUALITYPolyphenols protect sperm cells from oxidative damage — the primary cause of sperm DNA fragmentation, reduced motility, and impaired fertility. Compounds support cellular function within the testes, maintaining a stable environment for sperm production and development. The antioxidant capacity also supports overall male reproductive health beyond acute sperm function.

• Preserves nitric oxide, sustaining vasodilation and blood flow
• Supports testosterone levels via antioxidant mechanisms
• Enhances erection quality, strength, and sustainability
• Protects sperm from oxidative damage
• Improves sperm quality, motility, and overall reproductive health
• Supports overall male sexual performance and vitality

• Pomegranate Extracts in Management of Men's Urologic Health: Scientific Rationale and Clinical DataView study ↗
• Effects of Pomegranate Juice on Sperm Quality, Spermatogenic Cell Density, and Testosterone Level in Male RatsView study ↗
• Pomegranate Juice Intake Enhances Salivary Testosterone Levels and Improves Mood and Well-Being in Healthy Men and WomenView study ↗
• The Power of Pomegranate as Natural Supplement for Sportsmen: Systematic Review and Meta-AnalysisView study ↗

A medicinal plant native to Southeast Asia, used for centuries to support male vitality, energy, and reproductive health. Contains eurycomanone and other quassinoids — the most studied class of compounds for natural testosterone optimisation. Distinct mechanism from direct testosterone stimulators: Tongkat Ali increases the proportion of biologically active free testosterone by reducing sex hormone-binding globulin (SHBG) binding. Multiple randomised controlled trials confirm efficacy across populations including aging males, stressed subjects, and recreational athletes.

1. FREE TESTOSTERONE INCREASE VIA SHBG REDUCTIONTestosterone exists in two forms: bound (inactive) and free (active). The majority is bound to SHBG, limiting its biological effect. Eurycomanone reduces SHBG binding, increasing the proportion of free testosterone that can interact with androgen receptors in muscle, brain, and reproductive tissue. The result is improved libido, sexual performance, energy, and male vitality — without requiring an increase in testosterone production.
2. CORTISOL REGULATION & TESTOSTERONE PRESERVATIONModulates the hypothalamic-pituitary-adrenal (HPA) axis, reducing excessive cortisol levels that suppress testosterone production, impair energy, and reduce sexual function. Clinical research has shown significant reductions in cortisol and improvements in the testosterone-to-cortisol ratio in both athletes and moderately stressed non-athletes — a key performance marker relevant to sexual health, energy, and recovery.
3. ENERGY & MALE VITALITYImproved hormonal balance through both SHBG reduction and cortisol management prevents the energy depletion and libido suppression associated with chronic stress and suboptimal testosterone bioavailability. Supports motivation, drive, and the sustained physical and mental energy required for sexual performance.

• Increases free testosterone and hormonal bioavailability
• Reduces cortisol and improves testosterone-to-cortisol ratio
• Improves libido, sexual performance, and energy
• Reduces stress and improves resilience
• Promotes overall male vitality and reproductive health

• 6-Month RCT: Eurycoma longifolia Effect on Testosterone in Androgen Deficiency (ADAM)View study ↗
• Eurycoma longifolia Improves Serum Total Testosterone in Men: Systematic Review and Meta-Analysis of Clinical TrialsView study ↗
• Effect of Tongkat Ali on Stress Hormones and Psychological Mood State in Moderately Stressed SubjectsView study ↗

A nutrient-rich plant ingredient used for centuries for its effects on energy, mood, and vitality. Naturally high in flavanols (particularly epicatechin), theobromine, phenylethylamine (PEA), and polyphenols. Operates through two primary mechanisms relevant to sexual health: enhancing vascular function through nitric oxide activity, and supporting neurotransmitter systems involved in mood, libido, and sexual motivation. A 2024 RCT confirmed that a combination of cacao and pomegranate significantly enhanced sexual function in aging males — validating the synergy of these two ingredients within Primal.

1. FLAVANOL-DRIVEN NITRIC OXIDE & BLOOD FLOWEpicatechin and other flavanols stimulate nitric oxide synthesis in endothelial cells and protect NO from oxidative breakdown — providing both increased production and preservation of vascular nitric oxide. This synergises directly with beetroot (production) and pomegranate (preservation) in the formula, delivering multi-pathway support for vascular sexual performance and erectile function.
2. DOPAMINE SUPPORT & SEXUAL MOTIVATIONPhenylethylamine (PEA) promotes dopamine release; theobromine provides mild neural stimulation; flavanols support cerebral blood flow — together enhancing mood, mental drive, and the brain's responsiveness to reward and sexual stimuli. The result is improved libido, increased sexual motivation, and greater overall sexual responsiveness.
3. TESTOSTERONE SUPPORTA randomised, double-blind study demonstrated that a formulation combining Theobroma cacao and Punica granatum significantly increased serum testosterone in healthy young males — validating the combined hormonal-supportive effect of cacao alongside pomegranate within a targeted sexual health formula.

• Supports blood flow and vascular function via nitric oxide
• Enhances erection quality and overall sexual performance
• Improves mood, motivation, and mental drive
• Increases sexual responsiveness and libido
• Provides antioxidant protection and cellular health support
• Synergistic with pomegranate for testosterone and vascular function

• Punica granatum and Theobroma cacao Seed Extracts Enhance Sexual Function in Aging Males: Randomized, Double-Blind, Placebo-Controlled StudyView study ↗
• Impact of Cocoa Flavanols on Human HealthView study ↗
• Proprietary Herbal Blend of Punica granatum and Theobroma cacao Seeds Increases Serum Testosterone in Healthy Young Males (RCT)View study ↗

A natural bioflavonoid found in parsley, chamomile, celery, and certain fruits. Apigenin operates through two mechanisms that protect the hormonal environment required for male sexual health: it reduces the enzymatic conversion of testosterone to oestrogen, and it modulates GABA receptors to support relaxation and recovery. The combination makes it a precision addition to a testosterone-focused formula — not raising testosterone directly, but preserving existing levels and maintaining the neurological state required for sexual performance and recovery.

1. AROMATASE INHIBITION & TESTOSTERONE PRESERVATIONAromatase is the enzyme responsible for converting testosterone into oestrogen. Excess aromatase activity reduces testosterone levels and shifts the testosterone-to-oestrogen ratio in a direction unfavourable to male sexual health and vitality. Apigenin inhibits aromatase activity, reducing this conversion and preserving circulating testosterone. This mechanism complements Tongkat Ali's SHBG reduction — together maintaining both testosterone quantity and bioavailability.
2. GABA MODULATION & RECOVERYApigenin binds to GABA-A receptors, enhancing inhibitory signalling in the central nervous system. This produces a calming effect — reducing stress, anxiety, and neural overactivity without sedation. Improved GABA activity supports sleep quality and neurological recovery, both of which are critical for testosterone maintenance (the majority of daily testosterone is produced during deep sleep).
3. CELLULAR HEALTH & ANTI-INFLAMMATORY ACTIONAs a flavonoid antioxidant, apigenin reduces oxidative stress and inflammation throughout the body, protecting steroidogenic cells and reproductive tissue from free radical damage. This cellular protective action supports the long-term integrity of the endocrine system required for sustained sexual health.

• Helps preserve testosterone by reducing aromatase-driven conversion
• Supports relaxation and reduces stress-related hormonal suppression
• Improves sleep quality and overnight hormonal recovery
• Protects male reproductive tissue from oxidative damage
• Complementary aromatase-inhibiting mechanism to Tongkat Ali's SHBG reduction

• Apigenin Improves Testosterone Synthesis by Regulating Endoplasmic Reticulum StressView study ↗
• The Effects of Flavonoid Apigenin on Male Reproductive Health: Inhibition of Spermatogonial Proliferation through Prmt7/Akt3 PathwayView study ↗