80. Dietary Supplements, Natural + Complementary Medicine Flashcards
____ establishes standards for dietary supplements
The United States Pharmacopeia (USP)
T/F: supplements have to be approved by the FDA before being on the market
False - safety is the manufacturer’s responsibility, would have to be proved “unsafe” by FDA in order to be taken off the market
What enzymes does St. John’s Wort affect?
SJW induces CYP3A4, 2C19, 2C9, and 1A2, and P-gp (decreases level of other drugs)
What are some interactions to be careful of when using St. John’s Wort?
- CYP450 and P-gp inducer = decreases level of other drugs
- serotonergic (do NOT use with MAOi, SSRIs, or SNRIs)
- Photosensitivity and sun protection needed (caution with diuretics, retinoids, quinolones, sulfamethoxazole, tetracyclines, and transplant drugs)
- may lower seizure threshold (caution with bupropion, quinolones, tramadol, PCN, and carbapenems or hx of seizures)
Which supplements increase risk of bleeding?
5Gs: garlic, ginger, ginko, ginseng, and glucosamine
Fish oils (at higher doses )
Vit E
Dong quai
Willow bark (a salicylate) - do not use with other anticoags
What supplements increase risk of liver toxicity?
Black cohosh (used for menopausal symptoms)
Kava (used for stress/anxiety)
Others: Chaparral, comfrey, green tea “extracts”
Which supplements increase risk of cardiac toxicity?
Ephedra - removed d/t cardiac toxicity
Bitter orange (citrus aurantium or synephrine) replaced ephedra in many products (stimulants with dose-dependent cardiac toxicity, increase BP and HR, reports of MI, stroke, and arrhythmias)
Yohimbe (used for libido and ED) - increases BP, HR, and risk of seizures
Others:
DMAA (dimethylamylamine, amphetamine derivative for body-building ,increases BP and HR)
Licorice (contains glycyrrhizin, artificially flavored licorice do NOT have this compound, glycyrrhizin in large amounts can lower K and increase BP)
What affects does caffeine have on the heart?
May increase BP and HR
Commonly used supplements for Anxiety
Valerian
Passionflower
Kava
St. John’s wort
Others: chamomile, 5-hydroxytryptophan (5-HTP)
Commonly used supplements for ADHD
Omega-3 fatty acids
Commonly used supplements for cold sores
L-lysine
Commonly used supplements for colds and flu
Echinacea
Zinc
Vit C
Others: eucalyptus oil (nasal congestion/allergies), probiotics
Commonly used supplements for dementia/memory
Ginkgo
Vitamin E
Others: Vit D, acetyl-L-carnitine, vinpocetine (memory, neuroprotection, weight loss)
Commonly used supplements for depression
St. John’s wort
SAMe (S-adenosyl-L-methionine) (for depression, osteoarthritis)
Valerian
5-HTP
Commonly used supplements for DM
Alpha lipoic acid (diabetic neuropathy, memory, neuroprotection)
Chromium
Cassia cinnamon
Others: Mg, American ginseng, Panax ginseng
Commonly used supplements for HLD
Red yeast rice (contains a natural form of lovastatin)
Omega-3 fatty acids
Others: Garlic (controversial benefit; small decrease TC and LDL), Plant sterol, fibers (barley, psyllium, oat bran), artichoke extract
Commonly used supplements for dyspepsia
Calcium
Magnesium
Others: peppermint, chamomile
Commonly used supplements for energy/weight loss
Bitter orange (synephrine)
Caffeine
Guarana, green tea powder (contains caffeine)
Commonly used supplements for erectile dysfunction
Ginseng
L-arginine
Yohimbe
Commonly used supplements for HF, heart health
Coenzyme Q10 (ubiquinone, used adj with HF meds
Hawthorn
Omega-3 fatty acids
Commonly used supplements for HTN
Omega-3 fatty acids
L-arginine
Coenzyme Q10
Garlic (controversial benefit; small decrease in SBP)
Other: fiber (psyllium, oats, and wheat bran), potassium
Commonly used supplements for GI health
Fibers (for diarrhea, constipation; examples: psyllium (in Metamucil, barley, oat bran))
Chamomile
Probiotics
Others: peppermint, horehound (GI health, constipation), wheatgrass (GI health, detox)
Commonly used supplements for inflammation
Omega-3 fatty acids
Flax seeds/oil (converted to DHA and EPA
Tumeric
Commonly used supplements for insomnia/sleep
Melatonin (nightly, help prevent/treat jet lag (0.5-2mg taken pre-flight and higher doses such as 5mg post-flight)
Valerian
Chamomile
Others: lemon balm, passionflower, Coenzyme Q10 (if d/t HF), 5-HTP and L-trptophan
Commonly used supplements for Liver disease
Milk thistle
Commonly used supplements for menopause
Black cohosh
Dong quai
Evening primrose oil
Soy, red clover
Commonly used supplements for migraine prophylaxis
Feverfew
Butterbur
Magnesium
Riboflavin (vit B2)
Others: Coenzyme Q10, guarana (for caffeine) or other caffeine sources
Commonly used supplements for Motion sickness
Ginger
Peppermint
Commonly used supplements for Osteoarthritis
Glucosamine (best evidence with sulfate salts)
Chondroitin
SAMe (used for depression, osteoarthritis)
Tumeric (decrease inflammation/pain)
Commonly used supplements for Osteoporosis
Calcium
Vit D
Soy
Other: ipriflavone
Commonly used supplements for prostate health
Saw palmetto (used often, may be ineffective)
Lycopene
Others: Pygeum, pumpkin seed (contains beta-sitosterol)
Commonly used supplements for UTI
Cranberry
Others: yogurt, probiotics
Commonly used supplements for skin conditions
Tea tree oil (for acne, dandruff, fungal infections)
Others: alo vera, topica vit D, biotin
Commonly used supplements for weight loss
Garcinia cambogia
Safety issues with 5-HTP
Serotonergic - increased risk with other serotonergic meds
Safety issues with bitter orange (synephrine component)
Stimulant; dose-related increased BP, HR, arrhythmia risk
Safety issues with Black cohosh
May be hepatotoxic
Do NOT use with meds for HF: ACEi/ARBs, BB, amiodarone
Safety issues with caffeine (includes guarana, green tea powder)
Increased BP and HR
others: dizziness, agitation, irritability
Safety issues with chamomile
Allergic reactions (uncommon), cross-sensitivity with other members of Asteraceae family (e.g. ragweed, asters, chrysanthemums, artichoke)
Safety issues with chondroitin
Increased risk of bleeding at higher dose, increases INR with warfarin
Safety issues with dong quai
Increased bleeding risk
Safety issues with Echinacea
Controversial safety with autoimmune disorders
Use cautiously with other members of Asteraceae family (e.g. ragweed, asters, chamomile, chrysanthemums, artichoke)
Safety issues with feverfew
Mouth ulceration (inflammation of oral cavity/tongue)
Increased bleeding risk
Safety issues with fibers (barley, psyllium, oat bran)
GI effects (e.g.. bloating, cramping, flatulence)
Safety issues with garlic, ginger, ginko, ginseng, glucosamine
Increased risk of bleeding