Albion® Zinc
A chelated zinc that absorbs through the PepT1 dipeptide transporter — bypassing mineral competition — to activate AANAT, the zinc-dependent enzyme that gates your melatonin production.
Primacy Research
What Albion® Zinc Does For You
Melatonin Synthesis Gate
Zinc is the essential cofactor for AANAT — the rate-limiting enzyme that converts serotonin to N-acetylserotonin, the direct melatonin precursor. Without adequate zinc, melatonin production is bottlenecked regardless of serotonin availability.
NMDA Receptor Modulation
Zinc co-released from glutamatergic synapses inhibits NMDA channels in a voltage-dependent manner — contributing to the anti-excitatory tone required for sleep onset and cortical quieting, complementing magnesium’s NMDA block.
SOD1 Structural Metalation
Zinc provides the structural stability for Cu/Zn-SOD1 — the primary cytoplasmic antioxidant enzyme. RESET’s 33 mg zinc ensures full SOD1 assembly alongside 2 mg copper for the catalytic site.
Immune Surveillance via Thymulin
Thymulin — a zinc-dependent thymic hormone — regulates T-cell development and NK cell activity that peak during slow-wave sleep, supporting the overnight immune reconditioning that sleep is designed to enable.
PepT1 Transporter Absorption
Albion® Zinc Bisglycinate absorbs via the PepT1 dipeptide transporter — bypassing ionic competition with calcium, iron, and copper that limits standard zinc supplements, for predictable bioavailability.
The Silent Bottleneck in Your Sleep Architecture
Zinc is required for over 300 enzymatic reactions and is a structural component of more than 2,000 transcription factors. In the context of sleep and recovery, three zinc-dependent systems are particularly critical: melatonin synthesis, neurotransmitter balance, and overnight immune and antioxidant function. Zinc deficiency — highly prevalent in athletes, vegans, and older adults — creates a silent bottleneck across all three.
Impaired Melatonin Synthesis
Arylalkylamine N-acetyltransferase (AANAT) is the rate-limiting enzyme in melatonin synthesis. AANAT is zinc-dependent: without adequate zinc, the conversion of serotonin to N-acetylserotonin (the direct melatonin precursor) is impaired. Low melatonin means delayed sleep onset, reduced sleep depth, and compromised antioxidant protection overnight.
Neurotransmitter Imbalance
Zinc modulates NMDA receptor activity (reducing glutamate-driven excitation), is required for GABA-A receptor clustering, and plays a structural role in synaptic vesicle zinc-mediated co-transmission. Deficiency tilts the excitatory-inhibitory balance toward excitation — contributing to hyperarousal, anxiety, and degraded sleep architecture.
Overnight Immune & Antioxidant Collapse
Copper/zinc superoxide dismutase (Cu/Zn-SOD or SOD1) is the primary cytoplasmic antioxidant enzyme — the first line of defense against reactive oxygen species generated during cellular metabolism. Zinc is required for SOD1’s structural stability. Without it, overnight oxidative damage — the very damage that sleep is designed to repair — goes unmitigated.
How Zinc Bisglycinate Works
Albion® Zinc Bisglycinate Chelate delivers zinc via the PepT1 dipeptide transporter — bypassing the ionic competition that limits zinc absorption from oxide, sulfate, and gluconate forms. Once absorbed, zinc activates four distinct biological systems critical to RESET’s recovery architecture.
PepT1 Dipeptide Transporter Absorption
Like magnesium bisglycinate, zinc bisglycinate is recognized by the PepT1 transporter as a dipeptide-like molecule. This pathway has high capacity and does not compete with calcium, iron, copper, or other minerals that share the ionic transport channels used by standard zinc supplements. The result is higher fractional absorption and predictable bioavailability.
AANAT Activation — Melatonin Gate
Zinc is an essential cofactor for AANAT (arylalkylamine N-acetyltransferase) — the enzyme that converts serotonin to N-acetylserotonin, the direct precursor to melatonin. By ensuring adequate zinc availability at the pineal gland, RESET removes a critical bottleneck in the serotonin-to-melatonin conversion pathway that Affron® and B6 feed upstream.
NMDA Receptor Modulation
Zinc co-released from glutamatergic synaptic vesicles acts as an endogenous NMDA receptor modulator — inhibiting NMDA channels in a voltage- and use-dependent manner. Adequate synaptic zinc levels contribute to the anti-excitatory tone required for sleep onset and cortical quieting, complementing magnesium’s NMDA block.
Cu/Zn-SOD (SOD1) Structural Metalation
Superoxide dismutase 1 (SOD1) requires both copper (catalytic) and zinc (structural) for function. Zinc’s role is to stabilize the SOD1 dimer — without it, the enzyme cannot fold correctly and is rapidly degraded. RESET’s copper-zinc ratio is engineered to support full SOD1 metalation and maximal antioxidant enzyme activity overnight.
Thymulin Activation — Immune Surveillance
Thymulin is a zinc-dependent thymic peptide hormone that regulates T-cell development and NK cell activity. Zinc deficiency reduces thymulin activity, impairing the immune surveillance function that peaks during slow-wave sleep. Adequate zinc restores thymulin activity and the overnight immune reconditioning that RESET is designed to support.
What the Research Shows
Zinc’s role in sleep, mood, and antioxidant function is supported by four categories of clinical evidence: combination sleep trials, cortisol and mood RCTs, depression biomarker meta-analyses, and immune restoration trials.
Rondanelli M et al. (2011). Journal of the American Geriatrics Society, 59(1):82–90. The effect of melatonin, magnesium, and zinc on primary insomnia in long-term care facility residents. Note: 3-ingredient combination; zinc effects cannot be isolated.
Brandao-Neto J et al. (1990). Biological Trace Element Research, 24(1):83–89. Zinc acutely and temporarily inhibits adrenal cortisol secretion in humans.
Swardfager W et al. (2013). Biological Psychiatry, 74(12):872–878. Zinc in depression: A meta-analysis.
Haase H & Rink L (2009). Immunity & Ageing, 6:9. Comprehensive review of zinc’s role in immune function and the impact of zinc deficiency during aging on thymulin, NK cells, and T-cell function.
Your Nightly Dose in RESET
Why this dose works: 33 mg of elemental zinc sits at ~300% DV and well below the 40 mg Tolerable Upper Intake Level. At this dose, zinc provides full AANAT cofactor saturation, SOD1 structural metalation, and thymulin activation — without approaching the zinc-copper imbalance threshold that higher doses risk. RESET’s copper-zinc engineering (33 mg Zn : 2 mg Cu) maintains a ~16.5:1 ratio, near the 10:1–15:1 recommended range for bisglycinate chelate forms.
Copper-Zinc Balance — Engineered Mineral Ratio
High-dose zinc supplementation without copper can induce copper deficiency via metallothionein competition and reduce ceruloplasmin activity. RESET’s copper bisglycinate ensures the SOD1 catalytic copper site is fully occupied alongside the structural zinc site — and that ceruloplasmin iron transport is maintained. Both minerals are delivered via the PepT1 pathway to avoid absorption competition between them.
How Albion® Zinc Connects Across the System
Zinc is the melatonin gate in RESET — the enzymatic key that determines whether the serotonin pool built by Affron® and B6 can actually convert to melatonin overnight.
Melatonin Pathway Completion (B6 + Zinc + CherryPURE®)
Serotonin synthesis requires B6 (P5P) as cofactor for AADC. Serotonin-to-melatonin conversion requires zinc as cofactor for AANAT. CherryPURE® provides small amounts of direct melatonin. Together these three ingredients form the complete melatonin synthesis and delivery system inside RESET — synthesis cofactor, conversion cofactor, and direct source.
Serotonin Pool Maintenance (Affron® + Zinc)
Affron® inhibits serotonin reuptake, increasing synaptic serotonin availability. Zinc activates AANAT to convert that serotonin to melatonin. Affron® builds the pool; zinc opens the gate. Without the AANAT activation that zinc enables, elevated serotonin from Affron® cannot efficiently convert to the melatonin required for sleep onset.
Antioxidant Enzyme Relay (Cu/Zn-SOD + GPx1)
Zinc and copper together form Cu/Zn-SOD (SOD1) — the primary superoxide dismutase that converts O₂⁻⁻ to H₂O₂. RESET’s selenium supports glutathione peroxidase (GPx1), which converts H₂O₂ to water. This is the complete two-step antioxidant relay: SOD1 handles the first conversion, GPx1 handles the second. Zinc and selenium together enable the full overnight oxidative cleanup.
Circadian Zinc Logic — Daytime Depletion, Nighttime Replenishment
Cognitive performance, physical training, and stress deplete zinc throughout the day through sweat loss, cortisol-driven metallothionein induction, and enzymatic utilization. APEX’s daytime cognitive demands increase zinc turnover. RESET’s nighttime Albion® Zinc replenishes the pool — ensuring that AANAT, SOD1, and thymulin have full zinc availability for the overnight recovery cycle.
Key Takeaways
The Melatonin Gate You Didn’t Know About
AANAT is the rate-limiting enzyme in melatonin synthesis — and it requires zinc. Without adequate zinc, the serotonin-to-melatonin conversion pathway is bottlenecked regardless of how much serotonin is available. Zinc is the key that opens the melatonin gate.
Engineered Copper-Zinc Balance
High-dose zinc without copper creates SOD1 dysfunction and copper deficiency. RESET’s 33 mg Zn : 2 mg Cu ratio is deliberately engineered to support full SOD1 metalation at both the structural zinc site and the catalytic copper site — not just the zinc component.
PepT1 Absorption — No Mineral Competition
Zinc bisglycinate absorbs via the PepT1 dipeptide transporter, bypassing the ionic competition that reduces absorption from zinc oxide and zinc gluconate. The result is predictable bioavailability without the GI side effects that limit higher doses of ionic zinc.
The Overnight Cleanup Crew
Zinc’s role in SOD1 and thymulin places it at the center of RESET’s overnight antioxidant and immune function. Sleep is when cellular repair occurs — and zinc is required for the enzymatic machinery that makes that repair possible.
Frequently Asked Questions
What is Albion® Zinc Bisglycinate?
Albion® Zinc Bisglycinate Chelate is a TRAACS®-verified form of zinc bound to two glycine molecules. It’s absorbed via the PepT1 dipeptide transporter — bypassing ionic mineral competition that limits absorption from zinc oxide, sulfate, and gluconate forms.
How does zinc help with sleep?
Zinc is the essential cofactor for AANAT, the rate-limiting enzyme in melatonin synthesis. It also modulates NMDA receptors to reduce neuronal excitability and is required for GABA-A receptor clustering. These three mechanisms collectively support sleep onset, sleep depth, and sleep architecture.
What is the zinc-depression connection?
A meta-analysis of 17 studies (Swardfager et al., 2013) found that depressed individuals had blood zinc levels approximately 1.85 µmol/L lower than healthy controls — a consistent association across populations. This is an associational finding and does not demonstrate that zinc supplementation treats depression, but it supports zinc’s role in mood regulation and neurotransmitter balance.
Why does RESET include copper alongside zinc?
High-dose zinc induces metallothionein, a protein that sequesters copper and prevents its absorption. RESET’s 33 mg zinc is paired with 2 mg copper bisglycinate to prevent iatrogenic copper deficiency — maintaining the ~16.5:1 Zn:Cu ratio needed for full SOD1 metalation at both catalytic and structural sites.
Is 33 mg of zinc safe?
Yes. 33 mg elemental zinc (~300% DV) is well below the 40 mg Tolerable Upper Intake Level. At this dose, zinc provides full AANAT cofactor saturation, SOD1 structural metalation, and thymulin activation without approaching the threshold for zinc-copper imbalance.
How does zinc connect to other RESET ingredients?
Zinc opens the melatonin gate (AANAT) that Affron® and B6 feed upstream. It provides the structural component of SOD1, which pairs with copper (catalytic) and selenium (GPx1 downstream) for the complete antioxidant enzyme relay. CherryPURE® provides direct melatonin to complement zinc-enabled endogenous synthesis.
References
- [1]Rondanelli, M., Opizzi, A., Monteferrario, F., Antoniello, N., Manni, R., & Klersy, C. (2011). The effect of melatonin, magnesium, and zinc on primary insomnia in long-term care facility residents. Journal of the American Geriatrics Society, 59(1), 82–90.View
- [2]Brandao-Neto, J., Stefan, V., Mendonca, B. B., Bloise, W., & Castro, A. V. (1990). Zinc acutely and temporarily inhibits adrenal cortisol secretion in humans. Biological Trace Element Research, 24(1), 83–89.View
- [3]Swardfager, W., Herrmann, N., Mazereeuw, G., Goldberger, K., Harimoto, T., & Lanctôt, K. L. (2013). Zinc in depression: A meta-analysis. Biological Psychiatry, 74(12), 872–878.View
- [4]Haase, H., & Rink, L. (2009). The immune system and the impact of zinc during aging. Immunity & Ageing, 6, 9.View
Upgrade Your Recovery Architecture
Albion® Zinc Bisglycinate is one of 25 active ingredients in RESET, engineered to work as a system — not a stack of standalone compounds.
*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. Consult your healthcare provider before starting any supplement regimen.