What’s inside this formula?
Thorne’s L-Arginine Sustained Release is listed here in the amino acids collection. This article looks at the selected 120 capsules · 60 servings pack, then puts its ingredients into context.
Two capsules provide 1 g L-arginine. The 120-capsule bottle therefore contains 60 labelled servings.
Check the original label ↗This collection includes protein-forming amino acids and related compounds such as taurine and carnosine. They do not all have the same roles. Some amino acids must come from food, while the body normally makes others. An isolated ingredient is different from a complete protein source; the exact compound and the reason for considering it both matter.
The pack details above come from the manufacturer. Ingredient research below does not establish the effects of this exact product or independently verify its contents.
Two capsules make one serving
The stated 1 g is for two capsules, equivalent to 500 mg each by arithmetic. Compare another arginine product on the same serving basis; 120 capsules do not mean 120 full servings.
Sustained release is a formulation detail
The other-ingredient list includes high- and low-viscosity hydroxypropyl methylcellulose. The release description identifies this formula, but does not establish superior clinical results over other arginine products.
Read the specific contraindications
The manufacturer warns about herpes eruptions in susceptible people and contraindicates use in hepatocellular carcinoma. These cautions warrant clinician review rather than independently adding another supplement to manage the warning. Pregnancy also requires consultation.
Where might it be useful?
Protein-forming amino acids
Essential amino acids are needed to make proteins. This role should not be transferred to every related compound in this collection or treated as proof that an isolated supplement is needed.
Specific nutritional roles
Different amino acids have distinct functions; evidence should be assessed for the exact ingredient rather than the category as a whole.
What the research can — and cannot — tell us
Evidence must match the exact ingredient and purpose. Findings for one amino acid cannot establish benefits for another. Oral carnosine is not equivalent to beta-alanine supplementation for increasing muscle carnosine. Animal longevity findings for taurine do not establish longer human life. Adequate nutrition and an identified reason to supplement are more useful than broad recovery or anti-ageing promises.
What deserves your attention?
Thorne flags herpes-related concerns and contraindicates L-arginine in hepatocellular carcinoma; discuss suitability with the treating clinician.
Suitability comes before strength
Check the exact ingredient and other added compounds. Pregnancy, significant illness, medicines and prescribed dietary restrictions may alter suitability; discuss targeted amino-acid supplementation with a qualified clinician.
Dietary details for this product
Dietary status not confirmed The complete list includes L-arginine, leucine, silica, hydroxypropyl methylcellulose, calcium laurate and magnesium citrate; finished-formula vegan or vegetarian status is not explicitly established.
A dietary label and an allergy assessment answer different questions. Check every ingredient, the capsule or softgel materials and the allergen statement on the pack you receive. If you take medicines, have a health condition, are pregnant or are choosing for a child, discuss the full formula with a qualified clinician.
Make the comparison meaningful.
- Match the exact version.Look for Thorne · L-Arginine Sustained Release and the 120 capsules · 60 servings pack. A similar name or bottle can contain a different strength, blend or serving.
- Compare like with like.Read the serving size alongside the active ingredient amount. Capsule count, compound weight and total blend weight can describe different things. Use the label notes above to see what matters for this formula.
- Check the seller and final cost.Review seller identity, expiry, batch details and any Indian import information. Compare the final delivered price only after matching the formula. Prices and stock are checked on the retailer’s site.
Keep the label beside the decision.
Open the complete product profile for its source, dietary notes and available shopping destination.
Is this an endorsement or a medical recommendation?
No. This is an editorial guide to a selected product and its ingredient context. We have not independently tested this bottle or established a clinical benefit for this exact formula. A product’s inclusion is not a recommendation that everyone should take it.
Does Proof & Price earn from shopping links?
Some product-profile links are paid links and are labelled. As an Amazon Associate we earn from qualifying purchases. Manufacturer source links are provided for checking the label. Read our affiliate disclosure.
Read, check, decide.
Product label reviewed 2026-10-29. Ingredient context reviewed 2026-10-26. This article has not received independent clinical review. Packaging and formulas can change; the current pack takes precedence.
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