Nutricost L-Citrulline 500mg, 120 Capsules: Gluten-Free, Non-GMO, 1000mg Per Serving (60 Servings)
Gluten-free labeling is stated on the listing, with facility certifications referenced in some sources. While explicit manufacturing-level cross-contact controls for every batch aren’t documented, the product’s gluten-free label and referenced facility standards support an overall likely safe profile for many individuals with celiac disease or gluten sensitivity.
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- Gluten-free and non-GMO labeling on the product
- Good value for the price per serving
- Reported workout-related benefits (endurance, pumps, energy) in user reviews
- Two capsules per serving provide convenient dosing (1000 mg per serving)
- Some users report headaches and nausea
- Vein-popping effect elicits mixed reactions
- Capsule type and vegan status not clearly disclosed; explicit third-party GF certification beyond facility claims is not documented
Gluten safety details
Gluten-free labeling is stated on the listing, with facility certifications referenced in some sources. While explicit manufacturing-level cross-contact controls for every batch aren’t documented, the product’s gluten-free label and referenced facility standards support an overall likely safe profile for many individuals with celiac disease or gluten sensitivity.
What to expect
Capsules deliver 1000 mg per serving (two 500 mg capsules). The product is gluten-free and non-GMO per labeling. Expect neutral taste and easy capsule swallow, with potential workout-related benefits reported by some users. Side effects like headaches or nausea may occur for a subset of people. Use cases center on pre-, intra-, and post-workout support.
- Pre-workout, intra-workout, and post-workout nitric oxide support
- Users seeking gluten-free, non-GMO L-Citrulline supplementation
- Users requiring clearly labeled vegan capsules (not disclosed)
- Users seeking a product with explicit third-party gluten-free certification beyond facility claims
The full guide
Product snapshot
Nutricost L-Citrulline 500mg comes in a 120-capule bottle, delivering 60 servings when taken as two capsules per serving. Each capsule contains 500 mg of L-Citrulline, for a total of 1000 mg per serving. The product is labeled gluten-free and non-GMO, with the listing highlighting these attributes as key selling points. Buyers often cite the combination of price per serving and the convenience of easy-to-swallow capsules as major positives. The product is positioned for use across pre-, intra-, and post-workout periods to support nitric oxide pathways, and many reviewers report perceived endurance benefits, improved pumps, and steady energy. The bottle’s 60-serving count is noted as a consistent, predictable quantity for budgeting supplementation throughout the month.
Gluten safety, certifications, and labeling
Gluten-free labeling appears on the product title and listing, making gluten safety a highlighted feature for this Nutricost offering. Some references to facility certifications (such as NSF Certified, GMP Compliant, and FDA Registered Facility) appear in related listings, but explicit third-party gluten-free certification beyond facility claims is not clearly documented in the primary listing provided. There is no explicit cross-contact statement in the data provided for every batch. While facility-level certifications imply quality controls, they do not guarantee gluten-free cross-contact controls for all batches. The capsule type (gelatin vs. vegetarian) is not disclosed in the primary listing, so vegan suitability remains unconfirmed.
Who should consider this supplement and how to use
This product is aimed at individuals seeking gluten-free, non-GMO L-Citrulline for nitric oxide support during workouts. Each Serving is 1000 mg, delivered as two 500 mg capsules. The labeling emphasizes use around exercise, with many users noting perceived improvements in endurance, pumps, and blood flow, alongside favorable value. Common user feedback includes occasional headaches or nausea for a subset of people, and some report mixed responses to the “vein-popping” effect. Given the capsule format, there is no taste to consider, and capsules are described as easy to swallow. If you’re monitoring dietary constraints, note that organic and vegan capsule status is not documented in the provided data.
What shoppers say
💚 People liked
Good value for the price
Easy to swallow capsules
Perceived improvements in workout performance (endurance, pumps) and blood flow
Consistent 60 servings per bottle
⚠ People flagged
Headaches and nausea reported by some users
Mixed reactions to the physiological pumps (subjective experience)
Unclear capsule type (vegan vs. gelatin) and lack of explicit third-party gluten-free certification detail on the primary listing
Key takeaways
- 60 servings at $12.95 = strong value (~$0.22/serving)
- Labeling emphasizes gluten-free and non-GMO
- Two capsules per serving deliver 1000 mg
- Capsule type and batch-level gluten-cross-contact details are not fully disclosed
Evidence gaps for this product:
- Exact capsule type (gelatin vs. vegetarian) and vegan suitability not disclosed in primary listing
- Independent third-party testing results beyond facility certifications
- Detailed allergen cross-contact controls and batch-specific gluten containment information