Compare Medicines
Compare two medicines side-by-side: halal status, inactive ingredients that differ, and pharmacist questions — free, cited, and private.
Medicine A
Lantus SoloStar (insulin glargine)
Sanofi-Aventis
Looks Halal
- Form
- Subcutaneous injection (pen) · 100 units / mL
- Market
- US
- Confidence
- High
Inactive ingredients
- Glycerin Uncertain
- Metacresol Looks Halal
- Zinc Chloride Looks Halal
- Sodium Chloride Looks Halal
- Polysorbate 20 Uncertain
Medicine B
Insulin Glargine 100 units/mL
Sanofi
Looks Halal
- Form
- Injection (pen) · 100 units/mL
- Market
- US
- Confidence
- High
Inactive ingredients
- Glycerin Uncertain
Comparison summary
Lantus SoloStar (insulin glargine) is Looks Halal with High confidence. Insulin Glargine 100 units/mL is Looks Halal with High confidence. They share 1 inactive ingredients in our database and differ on 4 others.
Cleaner halal profile in this pair: Insulin Glargine 100 units/mL (halal) — confirm equivalence and dosing with your clinician before switching.
Inactive ingredient differences
1 shared · 4 only in Lantus SoloStar (insulin glargine) · 0 only in Insulin Glargine 100 units/mL
Only in Lantus SoloStar (insulin glargine)
Shared ingredients (1) appear in both products — open each medicine report for the full list.
Questions about this comparison
- How do Lantus SoloStar (insulin glargine) and Insulin Glargine 100 units/mL compare for halal status?
- Lantus SoloStar (insulin glargine): Looks Halal (High confidence). Insulin Glargine 100 units/mL: Looks Halal (High confidence). RxHalal does not issue religious rulings — use this to ask your pharmacist about sources.
- Which inactive ingredients differ between these two medicines?
- Only in Lantus SoloStar (insulin glargine): Metacresol, Zinc Chloride, Sodium Chloride, Polysorbate 20. Only in Insulin Glargine 100 units/mL: none listed. Shared: 1 ingredients.
- What should I ask my pharmacist when comparing these medicines?
- Is this glycerin plant-derived or synthetic? Is the polysorbate-20 in this product plant-derived?
- Is Insulin Glargine 100 units/mL a halal-friendlier option than Lantus SoloStar (insulin glargine)?
- In our database, Insulin Glargine 100 units/mL ranks cleaner (Fewer flagged excipients (1 vs 2).). Confirm equivalence and dosing with your clinician — not a fatwa.
Clinician-friendly share summary
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