A 5-unit dose is very small to measure, so a 30-unit syringe is far safer than a 100-unit one here
This echoes a broader challenge in the supplement industry, where individual responses vary dramatically based on baseline nutritional status, diet quality, medication dosage, and other factors
It's a relatively high amount for a supplement to have, but it shouldn't be a problem for most people since the maximum per-day allowance for adults is 400mcg.34 That said, you may want to avoid Doctor's Best Glutathione + Milk Thistle if you take another supplement that includes selenium or eat a lot of selenium-rich foods (e.g., Brazil nuts, tuna)
The berry version includes Califia Farms Almond Milk, almond butter, blueberries, raspberries, Keto Protein Blend, and 100% cocoa, while the Chocolate version includes Califia Farms Almond Milk, almond butter, 100% cocoa, Keto Protein Blend, and stevia plant-based sweetener