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Diabetes and weight loss products – what not to do

weight loss success

What is the most popular New Year’s resolution? Weight loss likely tops the list. The following is a review on diabetes and weight loss products.

Many products promise quick and amazing results to shed the unwanted pounds. After indulging in the holiday celebrations, this message is welcome by many who are looking for ways to improve their looks and/or their health.

Weight loss products are widely available from pharmacies, natural health product stores and online purchases worldwide. Some of them may provide benefit when used properly as a part of a weight management program, while others can post severe health risks to the uninformed consumer.

The following table is a summary of active ingredients commonly found in weight loss products with their respective clinical profiles:

Generic nameTrade nameHow it works/ approved indicationCaution & common side effects
Prescription drugs approved for weight loss by Health Canada and Food & Drugs Administration in U.S.A
OrlistatXenical®Reduces calorie intake by inhibiting absorption of dietary fatGastrointestinal discomfort: cramping, diarrhea, oily spotting
Prescription Drugs approved for weight loss by Food & Drugs Administration in U.S.A (short term up to 12 weeks in adults) (Not approved by Health Canada)
DiethylpropionTenuate®,
Tenuate Dospan®
Appetite suppressant : reduces food consumptionDizziness, headache, sleeplessness, nervousness
PhentermineIonamine®,
Adipex P®
Increased blood pressure & heart rate, chest pain, shortness of breath, sleeplessness and nervousness
PhendimetrazineBontril®, Melfiat® ,
Obezine®, Phendiet® ,
Phendiet 105®, Prelu-2®
Sleeplessness, nervousness
Prescription drugs approved for other indications but NOT for weight Loss
BupropionWellbutrin®, Zyban®AntidepressantDry mouth, insomnia
MetforminGlucophage®Diabetes treatmentGastrointestinal discomfort: cramping, diarrhea, metallic taste
TopiramateTopamax®Seizure treatmentNumbness in skin, change in taste
ZonisamideZonegan®Drowsiness, dry mouth, dizziness, headache, nausea
Examples of Natural Health Products Listed on Health Canada website for weight loss in adults
Green Tea ExtractGreen Tea Extract®, Detox-T+®As an aid to curb hunger and in improving adherence to weight management programAbdominal pain, dark urine, or jaundiceDo not use if pregnant or breast feeding or with iron deficiency or liver dysfunction
Amorphophallus konjac,
sodium alginate,
xanthan gum
PGX®, SlimStyles® PGX®,
WellBetX® PGX® Ultra,
Matrix Softgels Plus Mulberry®
Reduces appetite by promoting feeling of fullnessAvoid if breast-feeding or pregnantAvoid taking other medications one hour before or 2 hours after taking this medicationMay enhance the effect of diabetes medication resulting in hypoglycemia
Products NOT authorized for sale for weight loss but may be found in other products or online
EphedraMa HuangTreatment for asthma, hay feverEnergy booster for weight losshypertension, psychosis, stroke, heart attack, seizureSale banned in USA
Restricted use in Canada, allowed in low doses to treat nasal or bronchial congestion
SibutramineMerediaAppetite suppressantIncreased risk of heart attack and stroke
Sale banned in Canada and U.S.A

Here are some “What Not To Do” tips you can share with the person you are supporting with diabetes when choosing a weight loss product:

• Avoid ordering prescription drugs online that have not been prescribed by a health care provider
• Avoid combining several kinds of weight loss products together, or taking weight loss products in addition to other health products, without discussing possible risks with a health care provider
• Do not buy weight loss products online from unreliable sources
• Don’t assume a weight loss product is safe because it is “natural”
• Avoid making a decision to consume the product because of testimonials posted online

How about some “What to Do” tips?

• Read the fine print on the label to know what the active ingredients are
• Confirm the indication and adverse effects of the product or its active ingredients with a diabetes healthcare provider or credible sources such as:

Health Canada websites:
Natural Health Products: http://webprod3.hc-sc.gc.ca/lnhpd-bdpsnh/index-eng.jsp
Prescription drugs: http://www.hc-sc.gc.ca/dhp-mps/index-eng.php

U.S website:
National Centre of Complementary and Alternative Medicine, U.S. Department of Health and Human Resources: http://nccam.nih.gov/health/herbsataglance.htm

• Purchase only licensed natural health products; they have been assessed by Health Canada for their safety, efficacy and quality before they are authorized for sale in Canada. These products are identified by either a Natural Product Number (NPN) or Homeopathic Medicine Number (DIN-HM) on the label

• Consult the attending physician on potential side effects and contraindications to other chronic health conditions the person may have Weight loss is best achieved by healthy eating and increased activity, and by keeping a food diary. For people with diabetes, the diabetes care team is a good resource to provide guidance on how to lose weight safely and more importantly on adjustment of their diabetes medications when necessary.

I look forward to hearing your experience/thoughts on weight loss products. You can post your comment in the Medication section of our Community Forums.

 

About Freda Leung

Freda Leung is a consultant pharmacist who specializes in diabetes and geriatric medication management. She is a Certified Diabetes Educator (CDE), a Certified Geriatric Pharmacist (CGP), a Certified Respiratory Educator (CRE) as well as a graduate from “Teacher of Adults Certificate Program” from Centennial College. Freda is also a faculty member of the Institute for Healthcare Communication; a facilitator to “Choices and Changes - Clinician Influence and Patient Action” and “Brief Action Planning”, programs developed for health care professionals to support self-management in people living with chronic health conditions. Currently she is a clinical pharmacist at The Scarborough Hospital GAIN geriatric clinic. Her other professional activities include: consultation to long term care homes on diabetes management; teaching continuing education programs at The Ontario Pharmacists’ Association and speaking on topics related to diabetes, geriatric medications and health behaviour changes.

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