Swanson Garlic Odor-Controlled 500 mg

Our assessment

The evidence shows that the Swanson Garlic Odor-Controlled 500 mg supplement is not directly supported by the data provided. The key ingredient data available is for Calcium, not garlic. Therefore, we cannot make specific claims about this product's effectiveness for garlic's traditional uses, such as cardiovascular support or immune function. Data on garlic itself is not available in this dataset.

How it works

Since the ingredient data provided is for Calcium, we can only describe how that mineral functions. Calcium acts as a master regulator for bone mineralization, supporting bone density and mineral deposition, and it also supports neuromuscular relaxation and nerve signaling [NIH ODS]. For the actual garlic ingredient in this product, a mechanism of action is not available in the provided data.

Safety profile

Based on the FDA adverse event data, there are 592,059 total reports across all supplements, but specific report counts for this garlic product are not available [FDA data]. For the ingredient Calcium, safety concerns include that high intakes might increase the risk of heart disease and prostate cancer. High levels of calcium 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].

Our recommendation

We cannot recommend this specific Swanson Garlic product based on the data provided, as no clinical studies or ingredient-specific safety data for garlic are included. If you are considering this supplement, consult your healthcare provider. Additionally, be aware that Calcium (if present) can reduce the absorption of medications like bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS]. For garlic-specific benefits, data is not available here.

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