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| Form | Bioavailability | Best For |
|---|---|---|
| Zinc Picolinate | High | Best absorption — picolinic acid chelation enhances intestinal uptake |
| Zinc Gluconate | Moderate-High | Well-studied for acne — commonly used in clinical trials, good tolerability |
| Zinc Citrate | Moderate-High | Good general option — well-absorbed and widely available |
| Zinc Sulfate | Moderate | Most-studied form for dermatology — used in many acne trials, but may cause more GI upset |
Bioavailability: High. Best for: Best absorption — picolinic acid chelation enhances intestinal uptake.
Bioavailability: Moderate-High. Best for: Well-studied for acne — commonly used in clinical trials, good tolerability.
Bioavailability: Moderate-High. Best for: Good general option — well-absorbed and widely available.
Bioavailability: Moderate. Best for: Most-studied form for dermatology — used in many acne trials, but may cause more GI upset.