NutraKey Antler Test is a six-ingredient natural testosterone and growth hormone support complex centered on New Zealand Red Deer Antler Velvet Extract — the IGF-1-rich botanical that has driven significant interest in the performance community — combined with D-Aspartic Acid, Tribulus Terrestris, Maca Root, Epimedium Sagitatum (Horny Goat Weed), and Yohimbe Bark Extract in a 1,250mg Antler Test Complex per 2-capsule serving. Designed to simultaneously support testosterone production, growth hormone elevation, lean muscle retention, energy, stamina, libido, and sexual performance. 120 capsules per container — 60 two-capsule servings. Take 2 capsules twice daily on an empty stomach: 2 capsules in the morning and 2 capsules mid-day or evening. For performance benefits, take 40-60 minutes before sexual activity. No PCT required. For healthy adult men. Note: Deer Antler Velvet is on WADA's prohibited list — not for athletes in tested sports. California Prop 65 Warning may apply — confirm on label.†
Supplement Facts — NutraKey Antler Test (Per 2 Capsules / 60 Servings / 120 Capsules)
Antler Test Complex — 1,250mg (Proprietary Blend)
- New Zealand Red Deer Antler Velvet Extract — IGF-1, growth factors, amino acids, minerals, glucosamine, chondroitin, collagen
- D-Aspartic Acid — LH stimulator, testosterone precursor amino acid
- Tribulus Terrestris — steroidal saponins for testosterone and virility support
- Maca Root (Lepidium meyenii) — adaptogenic stamina and vigor enhancer
- Epimedium Sagitatum (Horny Goat Weed) — Icariin-containing herb for testosterone and libido support
- Yohimbe Bark Extract — blood flow, body composition, and libido support
- Other Ingredients: Gelatin (capsule), may contain Rice Flour, Vegetable Stearate, Silica
- Individual ingredient doses not disclosed — proprietary blend
- 120 capsules per container — 60 two-capsule servings
- Take 2 capsules twice daily on an empty stomach. Morning dose + mid-day or evening dose.
- For performance: take 40-60 minutes before sexual activity.
- No PCT required — natural formula, no prohormone compounds
- NOT for tested athletes — Deer Antler Velvet (IGF-1) is prohibited by WADA, NFL, MLB, and most major sports governing bodies
The Antler Test Dual Mechanism — Testosterone and Growth Hormone Simultaneously
Most natural testosterone boosters address only one hormonal axis — they stimulate LH to increase testosterone (Tribulus, D-Aspartic Acid, Fadogia) or they reduce estrogen and SHBG to improve free testosterone availability (DIM, Tongkat Ali), but they don't address growth hormone production as a separate and additive anabolic pathway. NutraKey Antler Test's formula is built to work both axes simultaneously: the Deer Antler Velvet provides direct IGF-1 and growth factor content that supports GH-mediated anabolism and recovery, while the D-Aspartic Acid and Tribulus Terrestris address the testosterone production pathway through LH stimulation. The combined effect — elevated testosterone for strength and lean mass, elevated GH-axis activity for recovery, tissue repair, and body composition — is the mechanistic basis for Antler Test's dual performance and physique positioning.†
The Six Ingredients — What Each One Does
New Zealand Red Deer Antler Velvet Extract — IGF-1, Growth Factors, and Recovery
Deer Antler Velvet is the soft cartilaginous tissue that covers the growing antlers of male deer before the antlers calcify and harden. The velvet stage of antler growth is one of the fastest rates of tissue growth in any mammal — antlers can grow up to an inch per day — and this rapid growth is mediated by a rich profile of insulin-like growth factors (IGF-1 and IGF-2), growth factors, amino acids, minerals (calcium, magnesium, zinc), glucosamine, chondroitin, and collagen. NutraKey sources their Antler Velvet from New Zealand Red Deer — considered among the highest-quality sources globally due to New Zealand's strict animal welfare regulations, clean environment, and natural grazing conditions.†
IGF-1 (Insulin-Like Growth Factor 1) is the primary bioactive compound of interest in Deer Antler Velvet from a performance perspective. IGF-1 is a peptide hormone produced primarily in the liver in response to growth hormone signaling — it is the downstream mediator of growth hormone's anabolic effects on muscle tissue, bone, and other tissues. IGF-1 activates the PI3K/Akt/mTOR signaling cascade that governs muscle protein synthesis, supports satellite cell activation for muscle repair, and promotes both muscle hypertrophy and fat metabolism. The presence of IGF-1 in Deer Antler Velvet is the reason WADA classifies it as a prohibited substance — the anabolic activity of IGF-1 is well-documented and meaningful.†
Beyond IGF-1, Deer Antler Velvet provides a broad spectrum of structural and recovery-supporting compounds: glucosamine and chondroitin for joint cartilage integrity, collagen for connective tissue support, and a full amino acid profile as the raw material for muscle protein synthesis. The mineral content (calcium, magnesium, zinc) adds further hormonal and recovery support. NutraKey notes the antler velvet is sustainably sourced — deer naturally shed their antlers annually, and the velvet is collected humanely from the growing antler without harm to the animal.†
D-Aspartic Acid — LH Stimulator and Testosterone Production Driver
D-Aspartic Acid (DAA) is a non-essential amino acid that functions as a signaling molecule in the hypothalamus and pituitary gland, stimulating the release of Gonadotropin-Releasing Hormone (GnRH) and Luteinizing Hormone (LH). LH is the upstream signal that tells the Leydig cells in the testes to produce testosterone. A 2009 human clinical trial published in Reproductive Biology and Endocrinology found that 3.12g of D-Aspartic Acid taken daily for 12 days increased testosterone levels by an average of 42% in healthy adult men, with LH rising by 33% from baseline. These are among the most significant short-term testosterone increases documented for any natural compound in a peer-reviewed trial. D-Aspartic Acid's effects are also reported to help increase sperm count and quality — relevant for male reproductive health beyond athletic performance. The total complex dose in Antler Test (1,250mg across six ingredients) means the individual D-Aspartic Acid dose is likely below the 3g threshold used in research — a limitation inherent to the proprietary blend structure.†
Tribulus Terrestris — Saponins for Testosterone and Virility
Tribulus Terrestris is one of the most historically used botanicals in male performance supplementation — the steroidal saponins it contains, particularly Protodioscin, have been associated with LH stimulation and testosterone support in Eastern European and Asian traditional medicine and in some modern clinical research. Tribulus works through a complementary mechanism to D-Aspartic Acid — where DAA stimulates the hypothalamic-pituitary signal, Tribulus's Protodioscin saponins are thought to work at the gonadal level, supporting the Leydig cells' testosterone production capacity. Men who take Tribulus also commonly report improvements in libido, virility, and sexual performance — effects that have been documented in several clinical trials independent of the testosterone mechanism.†
Maca Root (Lepidium meyenii) — Stamina, Vigor, and Adaptogenic Support
Maca Root is a cruciferous root vegetable native to the Peruvian Andes, used for centuries by Andean populations to support energy, stamina, and fertility at high altitude. Maca's mechanism is distinct from the testosterone-stimulating ingredients in the Antler Test blend — it functions as an adaptogen that regulates the HPA (hypothalamic-pituitary-adrenal) axis rather than the HPG axis. By modulating stress hormone response and cortisol levels, Maca creates a more favorable hormonal environment for testosterone expression. Published research on Maca specifically documents improvements in sexual desire, reduction in sexual dysfunction, and improvements in mood without measurably changing circulating hormone levels — suggesting Maca's sexual and vitality benefits operate through neurological and adaptogenic mechanisms rather than direct hormonal action. Maca is one of the few ingredients in the formula with consistent positive effects for both men and women.†
Epimedium Sagitatum (Horny Goat Weed / Icariin) — Testosterone and Libido Support
Epimedium Sagitatum is a species of barrenwort traditionally used in Chinese medicine, known in the West primarily as "Horny Goat Weed" — a name that reflects its historical use as a libido enhancer following the observation that goats grazing on the plant showed increased sexual activity. The active compound is Icariin — a flavonoid glycoside that has demonstrated multiple mechanisms relevant to testosterone support and sexual function. Icariin inhibits PDE5 (phosphodiesterase type 5) — the same enzyme inhibited by pharmaceutical erectile dysfunction medications — increasing cGMP levels and smooth muscle relaxation in vascular tissue, improving blood flow. Icariin has also been shown to have testosterone-mimetic effects at the androgen receptor level in research models, and Epimedium extracts have demonstrated increases in free testosterone in some studies through testosterone-binding globulin interaction.†
Yohimbe Bark Extract — Blood Flow, Body Composition, and Libido
Yohimbe Bark Extract (from the bark of Pausinystalia yohimbe, a West African tree) contains Yohimbine and related alkaloids as its primary bioactive compounds. Yohimbine is an alpha-2 adrenergic receptor antagonist — it blocks the alpha-2 receptors in fat cells that suppress lipolysis, allowing catecholamines to more effectively mobilize stored fat for energy. This is the mechanism behind Yohimbe's body composition positioning. Yohimbe also increases blood flow through vasodilation, which supports the circulation needed for sexual function and performance — the compound has a documented history of use for erectile function support. The Yohimbe Bark Extract in Antler Test is standard bark extract (not isolated Yohimbine HCl), which means the standardization of active yohimbine alkaloids varies. Yohimbe can cause elevated heart rate, anxiety, and blood pressure elevation in sensitive individuals — particularly at higher doses. New users should assess individual tolerance carefully.†
The IGF-1 Question — Tested Athletes Must Read This
Deer Antler Velvet is explicitly prohibited by WADA (World Anti-Doping Agency) because it contains IGF-1 — a prohibited peptide hormone on the WADA Prohibited List (S2: Peptide Hormones, Growth Factors, Related Substances and Mimetics). The NFL, MLB, NCAA, and most major professional and collegiate sports organizations follow WADA's framework and similarly prohibit IGF-1 and Deer Antler Velvet. This prohibition applies regardless of the dose, the delivery form, or whether the IGF-1 comes from a natural food source. Athletes in any tested sport at any level must not use NutraKey Antler Test. This is an absolute restriction — not a gray area.†
Frequently Asked Questions
-
Does Antler Test require a post-cycle therapy (PCT) after stopping?
No. NutraKey explicitly states that Antler Test does not require PCT. The formula contains no prohormone compounds, no DHEA derivatives, and no synthetic androgens — nothing that suppresses the hypothalamic-pituitary-gonadal axis. All six ingredients are botanicals, amino acids, or natural extracts that work by supporting the body's own hormone production rather than replacing it. When you stop taking Antler Test, there is no rebound suppression or hormonal crash that requires pharmaceutical PCT intervention.† -
How quickly will I notice results?
D-Aspartic Acid's testosterone-stimulating effects have been documented within 5-12 days in research. Epimedium and Yohimbe's effects on blood flow and libido are typically noticed within 1-2 weeks. The full anabolic and body composition benefits from the combined formula — including the GH-axis effects from Deer Antler Velvet and the cumulative hormonal optimization from the blend — are most apparent at 4-8 weeks of consistent twice-daily use. NutraKey positions 8-16 weeks as the optimal cycle for maximum results.† -
Can Antler Test be stacked with prohormones?
Yes — Antler Test's natural hormone support compounds are complementary to prohormone cycles. During a prohormone cycle, the D-Aspartic Acid's LH stimulation is somewhat less critical (the prohormone is providing androgen input directly), but the Deer Antler Velvet's IGF-1 and recovery support, Maca's cortisol management, and the libido-supporting ingredients all remain active benefits. Post-cycle, Antler Test can serve as a natural testosterone restoration support alongside or after Arimiplex PCT.† -
Is Antler Test appropriate for women?
NutraKey positions Antler Test for healthy adult men. Several ingredients — Maca Root, Deer Antler Velvet, and Epimedium — have documented use and benefits in women. However, the overall formula positioning (testosterone booster, male performance), the Yohimbe Bark content, and the D-Aspartic Acid's LH-stimulating effects make this formula most appropriate for men. Women who are interested in the adaptogenic and energy benefits should consider Maca Root as a standalone supplement rather than a combination testosterone booster formula.†
How to Take NutraKey Antler Test
Take 2 capsules twice daily on an empty stomach. Best taken with the first dose in the morning and the second dose mid-day or in the evening — spacing doses approximately 6-8 hours apart maintains more consistent active compound levels throughout the day. For libido and sexual performance: take 2 capsules 40-60 minutes before sexual activity. Cycle 8-16 weeks for best results, then take 4 weeks off before beginning another cycle. No PCT required. Not for tested athletes — contains Deer Antler Velvet (IGF-1), prohibited by WADA and most major sports organizations. Not for women. Not for persons under 18. Consult a physician before use if taking any prescription medications or having any medical condition. Pregnant or lactating women, diabetics, and hypoglycemics should not use without physician clearance. California Prop 65 Warning may apply — confirm on label.†
Why Buy at Get Yok'd
- Real-time inventory across all five Southern California stores
- Available in Burbank, Glendale, Glendale Galleria, Pasadena, and North Hollywood
- Authorized NutraKey retailer
- Staff who can walk you through the NutraKey lineup and help you choose the right testosterone support formula for your goals
- One of the best loyalty programs in the supplement industry — earn rewards on every purchase
Who Should Not Take Antler Test
- Not for tested athletes — Deer Antler Velvet (IGF-1) is prohibited by WADA, NFL, MLB, NCAA, and most major sports governing bodies
- Not for women
- Not for persons under 18 years of age
- Not for pregnant or lactating women
- Diabetics and hypoglycemics should consult a physician before use
- Individuals with cardiovascular conditions, high blood pressure, or heart arrhythmia should consult a physician before use — Yohimbe Bark Extract can elevate heart rate and blood pressure
- Individuals with anxiety disorders should exercise caution — Yohimbe can amplify anxiety in sensitive individuals
- Individuals with hormone-sensitive conditions (prostate issues, prostate cancer) should consult a physician — Antler Test is designed to increase testosterone
- Do not combine with other stimulant products, MAO inhibitors, or psychiatric medications — Yohimbe has MAO inhibitory properties
- Consult a physician before use if taking any prescription medications
- Keep out of reach of children.
†These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.