Product Label

Kyolic Kyolic Vitamin C, Astragalus, Mushrooms

Brand: Kyolic · Form: CAPSULE [E0159]

Our assessment

The evidence shows that the ingredients in Kyolic Vitamin C, Astragalus, Mushrooms — specifically the calcium component — have a clear role in bone health, but you need to be aware of significant safety concerns. Data not available for astragalus or mushroom-specific effects in this product. Based on the data provided, we can only assess the calcium content. Our assessment: calcium supports bone mineralization and nerve signaling [NIH ODS], but the risks tied to high intake are serious and require your attention.

How it works

Think of calcium as a structural builder for your skeleton. It supports bone density and mineral deposition, which is critical for maintaining strong bones as you age [NIH ODS]. Additionally, calcium plays a role in neuromuscular relaxation, helping your muscles relax and your nerves send signals properly [NIH ODS]. This makes it a key player in overall physical function.

Safety profile

The FDA has received a total of 592,059 adverse event reports across all supplements [FDA data]. For calcium specifically, high intakes might increase the risk of heart disease and prostate cancer [NIH ODS]. High levels of calcium in the blood and urine can cause poor muscle tone, poor kidney function, low phosphate levels, constipation, nausea, weight loss, extreme tiredness, frequent need to urinate, abnormal heart rhythms, and a high risk of death from heart disease [NIH ODS]. Calcium can also reduce the absorption of medications including bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS]. You must monitor your total calcium intake from all sources.

Our recommendation

Based on the data provided, we cannot recommend this product without more specific ingredient amounts. If you choose to take it, be aware that calcium from all sources must be tracked carefully to avoid exceeding safe levels. Check with your doctor if you take any of the medications listed above. For bone health, a targeted calcium supplement with a known dose is often a safer choice. Data not available for the specific benefits or risks of the astragalus and mushroom blend in this product.

AI-assisted analysis. Data sourced from NIH DSLD.

Supplement Facts

BrandKyolic
Serving Size
Contents100.0 Capsule(s)
Market StatusOff Market

How to Read This Label

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

Original Label

View Full DSLD Label (PDF)

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