Updated: March 20, 2026
| Feature | NOW Foods NAC 1000mg | NOW Foods Activated Charcoal Powder |
|---|---|---|
| Price | $24.95 | $12.95 |
| Rating | 4.4/5.0 | 4.8/5.0 |
| Reviews | 2345 reviews | 1654 reviews |
| Brand | NOW Foods | NOW Foods |

N-Acetyl Cysteine. Precursor to glutathione. Supports liver detoxification and respiratory health. Powerful antioxidant.

Food grade activated charcoal from coconut shells. Binds toxins and supports digestive health. Use between meals for detox support.
Both NOW Foods NAC 1000mg and NOW Foods Activated Charcoal Powder are highly effective heavy metal detox products. NOW Foods Activated Charcoal Powder has a slightly higher rating (4.8/5.0 vs 4.4/5.0), suggesting users find it more effective.
NOW Foods Activated Charcoal Powder is more affordable at $12.95 compared to NOW Foods NAC 1000mg at $24.95, making it better value for budget-conscious buyers.
NOW Foods NAC 1000mg has more customer reviews (2345 vs 1654), indicating it's more popular and has been tested by more users.
Choose NOW Foods NAC 1000mg if:
Choose NOW Foods Activated Charcoal Powder if:
Both NOW Foods NAC 1000mg and NOW Foods Activated Charcoal Powder are excellent heavy metal detox options. We give the edge to NOW Foods Activated Charcoal Powder for its higher rating and better value.
For more heavy metal detox options, check out our complete Heavy Metal Detox guide.