Product Advice

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Consumption Tips

Please know that Swanson Capsules can be opened and the contents may be dissolved in water or added to other food or beverages. We would not suggest this with a softgel as you cannot remove all of the contents to get the full dosage.

If a product is an enteric or time release formulation, you may lose these special features by removing the contents from the capsule or softgel. This might also leave some nutritional supplements vulnerable to stomach acidity. Others can cause stomach upset or other discomforts without the protective coating. You could potentially lose about 20% of the contents when removing from the capsule or softgel.

Some supplements may also irritate the oral mucosa. For example, we don’t recommend taking cayenne out of the capsule and putting it in a smoothie.

Freezing a Tablet or Capsule may hold the potency longer, however we haven’t tested this nor do we recommend freezing. The reason why is that tablets are very delicate when it comes to moisture. If any moisture gets into the bottle while in the freezer, the tablet could break down. It is also possible that if the bottle should be removed and come to room temperature, this could also create moisture and break down the tablet.

Softgels should not be refrigerated since the glycerin may absorb moisture condensation due to temperature changes, resulting in the softgels sticking together. When softgels are frozen, expansion of contents may cause breakage or leaking, so freezing is also not recommended.

Animal Testing

We are pleased to inform you that Swanson do not test their products on animals nor do their manufacturers. They use ingredients that are already known to be safe, however cannot guarantee a specific ingredient has not been tested on an animal at some point in history.

Probiotic Strains

Swanson do not test for a strain number on most of their probiotics with their contract manufacturers, only the strain type. Most often a specific strain number is under a patent and is a trademarked ingredient. Since Swanson do not have an agreement in place with the company that owns the patent and/or trademark, they cannot legally provide this information.

Heavy Metals

All Swanson products are tested for heavy metals. The heavy metal limits are listed below.

Lead: 2.75 µg/maximum daily dose  
Arsenic: 10 µg/maximum daily dose
Cadmium: 4.1 µg/maximum daily dose
Mercury: 0.3 µg(organic)/maximum daily dose
3 µg(inorganic)/maximum daily dose

The maximum daily dose must be based on the maximum daily dose on product label. Swanson’s manufacturers are required (in accordance with cGMP) to quality control test each batch and provide certificate of analysis. Swanson also do quality control testing and retain samples of each batch of product. Additionally, depending on manufacturers track record as far as quality of production, random batches are tested by 3rd party laboratories as well. Swanson’s standing with being audited and in line with cGMP is the customers verification that their products are compliant with the GMP requirements for quality control testing on the products.

Good Manufacturing Practice (GMP)

The United States do not have a THR (Traditional Herbal Registration) certification mark as the UK does, but instead companies must be GMP (Good Manufacturing Practice) certified. Swanson Health Products has always maintained an “A” for excellence in compliance with GMP regulations.

When Swanson source a product, the manufacturer provides them with a Certificate of Analysis (CofA), which guarantees that the product received exactly matches that ordered.

In addition to the CofA, Swanson also use ISO-certified labs to test products for purity and potency before they are sold to the general public. If the product does not meet their strict specifications, then the shipment is returned to the manufacturer. In other words, the customer can be confident that what is listed on the label, is actually what is in the bottle.

Swanson gives each manufacturer a “Score” based on several criteria. When taking on a new manufacturer, they will initially have a low score until they build their reputation by supplying products free from quality concerns. New manufacturers are tested frequently, and once they have established a history of providing quality products, the testing will become less frequent.

The FDA does not technically “approve” supplement companies like Swanson, who are obligated to follow FDA regulations for the supplement industry, and are subject to an audit or inspection at any time. To ensure that Swanson are following the FDA regulations and are compliant with the FDA’s cGMPs (current Good Manufacturing Practices), they hire independent inspectors to come in and audit their procedures on a regular basis.

What’s the country of origin? Who manufactures your products?

We only list the country of origin if the finished product is made outside of the United States. If there isn’t a country of origin listed, it means the finished product was made within the US. We don’t release the names of our manufacturers on non-trademark supplements since we have contractual arrangements with them not to release their names or contact information. Bulk materials for trademarked ingredients come from the manufacturer that holds the trademark.

Regardless of country of origin, all of our manufacturers must be compliant with GMP regulations, and products are quality-control tested at multiple stages during processing and after we receive them to ensure they meet label claims for correct substance, purity and potency. We require our manufacturers to test for pathogenic bacteria (E.coli, Staph, Salmonella), fungal counts and heavy metals (lead, mercury, cadmium and arsenic). We also require manufacturers to verify compliance with FDA regulations for BSE (mad cow) if any bovine components are used. Manufacturers must also verify products are compliant with Proposition 65 for sale in California.

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