Herb Pharm Eyebright

Our assessment

The evidence shows that Eyebright from Herb Pharm has limited data for its specific health claims. As a clinical pharmacist, I must be straightforward with you: the ingredient profile provided does not include any direct clinical studies or standardized dosage information for this product. Our assessment is that you should approach this supplement with caution, as the available data focuses on calcium, not eyebright itself.

How it works

Data not available for eyebright-specific mechanisms. The ingredient listed in the data is calcium, which works through bone mineralization to support bone density and through neuromuscular relaxation to support muscle and nerve signaling [NIH ODS]. However, these mechanisms do not apply to eyebright, and no mechanism of action for the herb itself is provided in the data.

Safety profile

The FDA has received a total of 592,059 adverse event reports across all supplements, but no specific report count is available for this product [FDA data]. For calcium — the only ingredient with safety data — high intakes might increase the risk of heart disease and prostate cancer, and can cause constipation, nausea, weight loss, extreme tiredness, frequent urination, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS]. Data not available for eyebright-specific side effects or drug interactions.

Our recommendation

Data not available to support a specific recommendation for this product. Without clinical studies, journal publications, or standardized dosing information, I cannot confidently advise you on using Herb Pharm Eyebright. If you are considering this supplement, consult your healthcare provider first, especially since calcium interactions with medications like bisphosphonates, tetracycline antibiotics, and levothyroxine are documented [NIH ODS].

Supplement labels contain several key sections regulated by the FDA:

• Serving Size — The recommended amount per dose. Always check this — some products require multiple capsules per serving.
• Amount Per Serving — Shows the quantity of each nutrient in the product, typically in IU (International Units), mg (milligrams), or mcg (micrograms).
• % Daily Value (%DV) — Indicates how much a nutrient in a serving contributes to a daily diet. 5% DV or less is low; 20% DV or more is high.
• Other Ingredients — Lists inactive ingredients like fillers, binders, and capsule materials (e.g., gelatin, cellulose, magnesium stearate).
• Suggested Use — The manufacturer's recommended directions for taking the supplement, including timing and dosage.

Source: FDA Dietary Supplement Labeling Guide