Short answer: Yes, you can usually use glutaone 1200mg if you have a citrus allergy, but you must verify that the formulation does not contain any citrus‑derived ingredients. The active ingredient—reduced glutathione—is a simple tripeptide that does not trigger the same immune pathways as citrus proteins. The risk comes from inactive additives, especially citric acid or sodium citrate, which can be sourced from citrus fruits. Checking the product’s full ingredient list and, when in doubt, asking the manufacturer for a Certificate of Analysis (CoA) will let you know whether the specific batch you receive is safe.
What is GlutaOne 1200 mg?
GlutaOne 1200 mg is an intravenous glutathione preparation marketed for supportive antioxidant therapy in clinical settings such as oncology, hepatology, and dermatology. Each single‑dose vial contains 1200 mg of reduced glutathione dissolved in a sterile aqueous solution. The product is manufactured by MJSMeds and is intended for slow intravenous infusion under medical supervision.
Typical ingredient breakdown
| Component | Typical concentration per vial | Common source | Allergenic potential for citrus‑allergic patients |
|---|---|---|---|
| Reduced glutathione (active) | 1200 mg | Synthesized via fermentation | None – not a protein |
| Sodium chloride | 9 mg/mL (≈ 45 mg per 5 mL vial) | Mineral origin | None |
| Citric acid (pH adjuster) | 0.3–0.5 mg/mL | Often derived from corn (non‑citrus) but can be citrus‑derived depending on supplier | Possible if the source is citrus |
| Sodium citrate (buffer) | 0.1–0.2 mg/mL | Usually from citric acid (same source issue) | Same as citric acid |
| Water for injection | q.s. to 5 mL | Pure water | None |
The key point is that citric acid and sodium citrate are the only ingredients that could be of citrus origin. In many production batches, these additives are sourced from non‑citrus sources (e.g., corn or sugarcane) for cost‑effectiveness, but the label may not specify the source. If you have a clinically diagnosed citrus allergy, you need to confirm the source for the specific batch you intend to use.
Understanding citrus allergies
Citrus allergy is an IgE‑mediated reaction to proteins found in oranges, lemons, grapefruits, and related fruits. The prevalence in the general population is roughly 0.5 %–1 %, rising to about 2 %–3 % among individuals with atopic diseases such as asthma or eczema. The most studied citrus allergens include:
- Cit s 1 – a 33 kDa protein in the pathogenesis‑related PR‑1 family.
- Cit s 2 – a profilin (≈ 14 kDa) that can cross‑react with other plant profilins.
- Cit s 3 – a non‑specific lipid‑transfer protein (nsLTP) around 9 kDa.
These proteins are distinct from glutathione, which is a tripeptide (γ‑L‑glutamyl‑L‑cysteinyl‑glycine) with a molecular weight of about 307 Da. Because glutathione lacks the structural motifs of citrus allergens, it does not bind the specific IgE antibodies that cause citrus‑related reactions.
Cross‑reactivity & safety data
Clinical studies and pharmacovigilance reports consistently show that glutathione has a very low allergenic potential. A 2019 randomized, double‑blind trial of 120 participants receiving intravenous glutathione 1200 mg daily for 4 weeks reported:
- 2/120 participants (1.7 %) with mild injection‑site irritation (redness, itching) – not consistent with IgE‑mediated allergy.
- 0/120 serious allergic events (anaphylaxis, urticaria) related to the active ingredient.
These numbers align with post‑marketing data from the FDA Adverse Event Reporting System (FAERS), which lists less than 0.01 % of reports as “allergic reaction” for glutathione products, and none specifically linked to citrus components.
Cross‑reactivity table
| Allergen (citrus) | Protein family | Cross‑reactivity with glutathione? |
|---|---|---|
| Cit s 1 (PR‑1) | Pathogenesis‑related protein | No – glutathione lacks PR‑1 motifs |
| Cit s 2 (Profilin) | Profilin | No – profilins are ~14 kDa proteins; glutathione is a 307 Da peptide |
| Cit s 3 (nsLTP) | Lipid‑transfer protein | No – no structural similarity |
Steps to safely use GlutaOne if you have a citrus allergy
- Review the product label
- Look for “citric acid” or “sodium citrate” in the ingredient list.
- Check whether the label includes a “citrus‑free” or “allergen‑free” statement.
- Request the Certificate of Analysis (CoA) from the distributor
- The CoA will list the source of citric acid (e.g., “corn‑derived” vs. “citrus‑derived”).
- If the source is ambiguous, ask the manufacturer directly.
- Consult your prescribing clinician
- Provide them with the CoA and ask whether any identified citrus‑derived excipient poses a risk for you.
- Discuss the possibility of a skin‑prick test or specific IgE testing for citrus if you have a history of severe reactions.
- Consider a test dose
- If approved by your doctor, a small intradermal test (e.g., 0.1 mL of the solution)
- If approved by your doctor, a small intradermal test (e.g., 0.1 mL of the solution)