IIN Supplement Safety & Efficacy 3

Question 1

A practitioner recommends high-dose vitamin D supplementation without first testing a client's serum 25(OH)D levels. What is the primary risk of this approach?

Accepted Answer

Vitamin D toxicity causing hypercalcemia

Answer

Vitamin D toxicity (hypervitaminosis D) causes hypercalcemia, which can lead to nausea, weakness, frequent urination, kidney stones, and in severe cases, cardiac arrhythmias.

Question 2

Standardized herbal extracts are considered advantageous over non-standardized because they:

Accepted Answer

Guarantee a consistent level of active constituent(s) per dose

Answer

Standardization ensures each batch of an herbal extract contains a specified percentage of the key active compound(s), providing dosing consistency and reproducibility.

Question 3

Which supplement interaction could be life-threatening for a client taking an SSRI antidepressant?

Accepted Answer

Adding 5-HTP or high-dose tryptophan

Answer

Combining SSRIs with 5-HTP or tryptophan can cause serotonin syndrome, a potentially fatal condition characterized by agitation, rapid heart rate, high temperature, and muscle rigidity.

Question 4

The Dietary Supplement Health and Education Act (DSHEA) of 1994 placed the primary burden of proving supplement safety before marketing on:

Accepted Answer

The supplement manufacturer

Answer

DSHEA shifted the regulatory burden so that manufacturers are responsible for ensuring their products are safe before marketing, without prior FDA approval.

Question 5

A client who is pregnant asks about taking licorice root supplements for digestive support. Your best response is:

Accepted Answer

High amounts of glycyrrhizin in licorice are contraindicated in pregnancy due to risks of preterm labor and developmental effects

Answer

Glycyrrhizin in licorice root can increase cortisol levels, elevate blood pressure, and has been associated with preterm birth and adverse neurodevelopmental outcomes in offspring.

(IIN) Institute for Integrative Nutrition Certification Practice Test

(IIN) Institute for Integrative Nutrition Certification Practice Test

IIN Supplement Safety & Efficacy 3