What Is Prop 65?
California’s Proposition 65 requires warning labels on products that may expose users to over 800 substances, including certain chemicals, heavy metals, and even high-dose nutrients like vitamin A. This law is designed to keep Californians informed, not necessarily to indicate that a product is unsafe.
Why Does This Product Have a Prop 65 Warning?
Some of our supplements carry this label because their trace levels of lead exceed 0.5 mcg per daily dose, a limit far lower than most federal safety guidelines. This affects fewer than 15% of our products.
Even the highest lead content per serving in our supplements is lower than the amount commonly found in everyday foods—like vegetables and grains—due to naturally occurring environmental exposure.
🌿 Lead in the Environment
Despite using high-quality, pure ingredients, lead is widely present in soil and water, so it's often found in plant-based foods and supplements.
🥗 FDA Food Lead Content Examples:
| Food Item | Median Lead (mcg/serving) | Highest Lead (mcg/serving) |
|---|---|---|
| Lettuce, leaf, raw | 0.57 | 1.59 |
| Spinach, boiled | 1.47 | 7.03 |
| Cracked wheat bread | 0.68 | 2.38 |
| Baked sweet potatoes | 1.59 | 7.26 |
| 100% fruit juice blend | 0.85 | 2.38 |
🚫 Is It Unsafe?
No. The warning is legally required by California, but:
The FDA’s safe daily lead intake limit is 75 mcg for adults,
That’s 150x higher than the Prop 65 limit of 0.5 mcg,
And the FDA’s actual health concern level is 750 mcg/day—1,500x higher than the Prop 65 warning threshold.