NOW Supplements L-OptiZinc® 30 mg with Copper Highly Bioavailable Form Immune Support* 100 Veg Capsules
Analysis updated August 2026 · How Scout scores
At a glance
Summary
This supplement contains beneficial ingredients like zinc and copper, which are essential for immune support and overall health. However, the presence of maltodextrin and stearic acid, along with other additives, slightly detracts from its formulation quality. The product is moderately processed, but the bioavailability of the minerals is a positive aspect.
Key ingredients 8
ZincGood
Zinc is an essential mineral that supports immune function and enzyme activity. It is highly bioavailable in this supplement form, enhancing absorption and efficacy. Zinc is crucial for DNA synthesis and cell division, making it a vital nutrient for overall health.
Risks
Excessive zinc intake can lead to nausea, vomiting, and interference with copper absorption.
Benefits
Zinc supports immune health, wound healing, and has antioxidant properties.
CopperGood
Copper is an essential trace mineral important for iron metabolism and the formation of red blood cells. It is included in this supplement to balance zinc intake, as high zinc levels can deplete copper. Copper also plays a role in maintaining healthy bones and nerves.
Risks
High doses of copper can cause gastrointestinal distress and liver damage.
Benefits
Copper supports cardiovascular health and is necessary for the production of energy in cells.
Rice FlourNeutral
Rice flour is used as a filler in supplements and is generally considered neutral in terms of health impact. It is a gluten-free option that provides bulk without significant nutritional value. Rice flour is minimally processed and does not contain harmful additives.
See more about Rice Flour →HypromelloseNeutral
Hypromellose is a plant-derived cellulose used as a capsule material in supplements. It is considered safe and inert, providing a vegetarian alternative to gelatin capsules. Hypromellose is widely used in the pharmaceutical industry for its stability and non-reactive properties.
Benefits
Provides a vegetarian-friendly capsule option for supplements.
Stearic AcidNeutral
Stearic acid is a fatty acid used as a lubricant in supplement manufacturing. It is generally recognized as safe and does not significantly impact health at the levels used in supplements. Stearic acid is naturally found in many foods, including meats and cocoa butter.
See more about Stearic Acid →Citric AcidNeutral
Citric acid is used as a preservative and flavoring agent in supplements. It is naturally found in citrus fruits and is generally recognized as safe. Citric acid helps stabilize the product and extend its shelf life.
Risks
Excessive consumption may cause tooth enamel erosion.
Silicon DioxideNeutral
Silicon dioxide is used as an anti-caking agent in supplements to prevent clumping. It is considered safe and inert, with no significant health impact at the levels used in supplements. Silicon dioxide is naturally found in the earth's crust and in many foods.
See more about Silicon Dioxide →MaltodextrinBad
Processed additive flagged under Scout's ingredient doctrine.
Risks
May cause blood sugar spikes in sensitive individuals.
Processing
Processed Foods
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