Swanson Best Weight-Control Formulas Opti-Whey With PGX
Brand: Swanson Best Weight-Control Formulas · Form: POWDER [E0162] On Market
Our assessment
The evidence shows that Swanson Best Weight-Control Formulas Opti-Whey With PGX contains calcium, which plays a supportive role in weight management by helping the body metabolize fat and maintain muscle mass during weight loss. However, calcium is not a standalone weight-loss solution. The data confirms that calcium supports bone mineralization and neuromuscular relaxation [NIH ODS].
How it works
Think of calcium as a cellular messenger — it helps your nerves signal your muscles to contract and relax properly, which is essential for exercise and daily activity [NIH ODS]. When you are cutting calories, adequate calcium intake may help preserve lean muscle tissue, which in turn supports a healthier metabolism. The mechanism involves bone density support and mineral deposition, as well as neuromuscular relaxation [NIH ODS].
Safety profile
FDA received a total of 592,059 adverse event reports across all supplement categories, but specific report counts for this product are not available. For calcium specifically, high intakes might increase the risk of heart disease and prostate cancer. High levels 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 reduce the absorption of bisphosphonates, tetracycline antibiotics, fluoroquinolone antibiotics, levothyroxine, and phenytoin [NIH ODS].
Our recommendation
You can use this product as part of a balanced weight-control plan, but do not rely on it alone. Ensure you are not exceeding the tolerable upper intake level for calcium from all sources, and take it separately from medications like thyroid hormone or antibiotics by at least two hours. Data not available on the exact calcium dosage in this specific product, so check the label carefully and consult your healthcare provider before starting [NIH ODS].
AI-assisted analysis. Data sourced from NIH DSLD.
Supplement Facts
| Brand | Swanson Best Weight-Control Formulas |
|---|---|
| Serving Size | |
| Contents | 885.0 Gram(s) 1.95 lbs 31.2 Oz(s) |
| Market Status | On 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