N-Acetylcysteine (NAC) at 200mg/mL is the body’s most direct glutathione precursor — supporting antioxidant defense, liver detoxification, and respiratory mucosal health via IV injection. The standalone injectable used in both the Timeless IV Kit and Metabolic Recovery Bundle.
N-Acetylcysteine (NAC) is a derivative of L-cysteine, the rate-limiting amino acid in glutathione synthesis. Glutathione is the body’s primary endogenous antioxidant — present in every cell, responsible for neutralizing free radicals, supporting hepatic detoxification, and protecting mitochondria from oxidative damage. NAC at 200mg/mL via IV injection delivers direct cysteine availability for ongoing glutathione synthesis, bypassing the absorption variability of oral NAC which is notoriously inconsistent.
| Specification | Detail |
|---|---|
| Active ingredient | N-Acetylcysteine (NAC) |
| Formulation | Preserved |
| Concentration | 200 mg/mL |
| Route | IV only |
| Storage | Room temperature; protect from light |
NAC at 200mg/mL is the active component in both the Timeless IV Kit and the Metabolic Recovery Bundle. The standalone injectable gives practices the flexibility to use NAC independently outside of a kit format — at custom dosing or alongside protocols not covered by the existing kits.
Glutathione precursor support: NAC is the most direct and well-studied route to raising intracellular glutathione. Oral NAC has poor and variable bioavailability — IV delivery ensures cysteine reaches cells where glutathione synthesis occurs, without the digestive losses that limit oral forms.
Hepatic detoxification: The liver requires abundant glutathione to metabolize and eliminate toxins. NAC directly supports glutathione availability in hepatic tissue, supporting the liver’s primary detoxification function under conditions of metabolic stress, oxidative burden, or elevated demand.
Antioxidant defense: Beyond its glutathione precursor role, NAC has direct antioxidant activity through its free thiol group, which can scavenge free radicals directly. This dual mechanism — direct and indirect antioxidant action — makes it one of the most effective antioxidant compounds available for IV delivery.
Respiratory mucosal support: NAC breaks disulfide bonds in mucus glycoproteins, reducing mucus viscosity and supporting airway clearance. This mucolytic property makes it relevant for practices supporting patients with respiratory health concerns.
Regulation of glutamate activity: NAC modulates glutamatergic neurotransmission, influencing the balance between excitatory and inhibitory signaling in the brain. This property is the basis of ongoing research into NAC across multiple neurological and behavioral health contexts.
Drug interactions:
Asthma: NAC can cause bronchospasm in asthmatic patients, particularly via inhalation but also reported with IV administration. Screen patients for asthma before initiating.
Common IV side effects: Rash, fever, headache, drowsiness, hypotension, and liver enzyme elevation have been reported with IV NAC. Most are mild and transient. Monitor for signs of anaphylactoid reaction, particularly during the loading phase of infusion.
Pregnancy and breastfeeding: Use with caution; consult clinical specialists before initiating.
As a compounded Rx product, NAC Injection has not been evaluated by the FDA for safety, efficacy, or quality. Administer only under the supervision of a licensed healthcare provider in accordance with current clinical and state regulatory guidelines.
Is a prescription required to order NAC Injection?
Yes. Available exclusively to licensed healthcare providers and medical practices.
What is the concentration and route?
200mg/mL, for IV administration only.
How does standalone NAC differ from the Timeless IV Kit or Metabolic Recovery Bundle?
Both kits include NAC at 200mg/mL alongside other components. The standalone injectable allows practices to dose NAC independently, add it to custom protocols, or use it without committing to a full kit format.
Why pair NAC with Glutathione Injection rather than using one or the other?
NAC raises intracellular glutathione synthesis from within the cell. Glutathione Injection delivers active glutathione directly into the bloodstream. Together they provide both immediate systemic antioxidant availability and ongoing cellular regeneration — a more comprehensive protocol than either product alone.
This is a compounded medication. Compounded drugs are not FDA-approved and have not been evaluated by the FDA for safety, efficacy, or quality. This product is available by prescription only and is intended for use by or on the order of a licensed healthcare provider.
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