Major interaction on record — check this product against your medications before combining. Check your meds →
Dietary supplement

Garcinia Cambogia 1600 mg Ingredients & Drug Interactions

by Official HCG Diet Plan

Garcinia Cambogia 1600 mg label
See full label image
Capsule Category: Botanical With Nutrients
Most serious interaction: Major
Clinical methodology reviewed by · Updated Sep 30, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Garcinia Cambogia 1600 mg against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy

The interaction bottom line Most serious interaction: Major

Garcinia Cambogia 1600 mg is a dietary supplement by Official HCG Diet Plan with 3 active ingredients. Its ingredients are commonly taken for preventing or treating low potassium (hypokalemia), supporting healthy blood pressure, muscle cramps.Based on those ingredients, 860 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are Garcinia cambogia (fruit rind) extract, Calcium, Potassium. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

Jump to a section

Check Your Meds Against Garcinia Cambogia 1600 mg by Official HCG Diet Plan

Ask about any prescription or over-the-counter medication and we check it for interactions with Garcinia Cambogia 1600 mg by Official HCG Diet Plan — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
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HelloPharmacist Scorecard of Garcinia Cambogia 1600 mg by Official HCG Diet Plan

Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.

From our pharmacy team — supplement deep dive

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Jul 30, 2026

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 3 of its 3 active ingredients.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains 3 active ingredients: potassium, calcium, and garcinia cambogia (fruit rind) extract. Potassium is an electrolyte your body needs for nerve and muscle function.

Calcium supports bone health and plays roles in nerve signaling and muscle contraction. Garcinia cambogia extract contains hydroxycitric acid, believed to affect how your body processes nutrients, though evidence for its effects in humans is limited.

The capsule itself is made from vegetable cellulose.

Does it work?

Not established
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed
Not established

The graded evidence we hold for these ingredients covers different conditions than the ones this product is marketed for, so there's no established rating for its stated use.

Why this rating?
  • The label markets this product for: Weight management.
  • We looked for evidence on: Obesity, Metabolic syndrome, appetite control, weight loss, carbohydrate cravings.
  • The closest evidence on file: Calcium is rated "Possibly Ineffective" for Obesity (Natural Medicines).
  • Also on file: Calcium is rated "Insufficient Reliable Evidence To Rate" for Metabolic syndrome.
  • Also on file: Garcinia is rated "Insufficient Reliable Evidence To Rate" for Obesity.

For potassium and calcium, the evidence shows these ingredients can be effective for specific medical uses — calcium is proven effective for osteoporosis, low blood calcium (hypocalcemia), indigestion (dyspepsia), and kidney failure. Potassium is established for high potassium levels (hyperkalemia) and indigestion.

However, garcinia cambogia extract lacks reliable evidence for its advertised uses — we have insufficient data to rate it for weight loss (obesity), cholesterol (hyperlipidemia), fatty liver disease, or athletic performance. In short, the mineral ingredients have proven roles, but garcinia's effectiveness remains unestablished in the data we hold.

The evidence, ingredient by ingredient Potassium Calcium Garcinia

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 3 of the 3 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 3 of 3.
  • General safety write-ups exist for 3 of 3.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Potassium from food is safe, but supplements can cause dangerously high blood levels in some people — especially those with kidney disease — so use only under medical guidance. Orally, potassium is generally well tolerated, though common side effects include belly pain, belching, diarrhea, gas, nausea, and vomiting.

Rare serious effects include irregular heartbeat, low blood pressure, and confusion from very high potassium levels. Calcium at recommended doses is generally safe and is appropriate during pregnancy and breastfeeding; it's well tolerated when taken as directed, with common side effects being belching, constipation, diarrhea, gas, and stomach upset.

Very high calcium doses (over 1500–2000 mg daily) raise theoretical concerns about prostate cancer risk and heart disease, though research is mixed. Garcinia cambogia is generally tolerated short-term, with common side effects of diarrhea, stomach discomfort, headache, and nausea; rare serious effects include liver injury, liver failure, heart inflammation, and mania — the product should be avoided in pregnancy and breastfeeding due to insufficient safety data.

Side effects, ingredient by ingredient Potassium Calcium Garcinia

Meds to double-check

Major interaction found
Known Interaction Concern · database check
Major identified

At least one ingredient has a documented Major-severity interaction. Check your medications for a personalized result.

Why this rating?
  • 3 of the 3 matched ingredients can interact with medications — Calcium, Garcinia, Potassium.
  • The most serious interaction on file is rated Major.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; diabetes medications; heart-rhythm medications; lithium.
  • For scale: 861 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before taking this product, check with your pharmacist or doctor if you take: HIV integrase inhibitors (dolutegravir, elvitegravir), potassium-sparing water pills, ACE inhibitors, or ARBs for blood pressure — these carry the highest interaction risk with potassium and calcium. Also double-check if you're on thyroid medication (levothyroxine), heart rhythm drugs (sotalol), blood thinners or antiplatelet drugs, diabetes medications, or any drugs that stress the liver.

Serotonergic antidepressants should also be reviewed given garcinia's theoretical serotonin risk.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with no established evidence rating for its marketed use. Major medication interactions have been identified, and safety information is well characterized.

This product is a mix of proven mineral supplements and an unproven herbal extract. If your doctor has recommended potassium or calcium for a specific medical reason, the mineral content here might fit that need — but the dose, form, and timing matter, especially with potassium's narrow safety window and calcium's interactions with common drugs.

The garcinia extract lacks solid evidence for weight loss or other advertised benefits. Before you start, run your exact medications through the search tool on this page, and talk it over with your doctor or pharmacist — especially if you take heart, kidney, thyroid, diabetes, HIV, or blood-thinning medications.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 3 of 3 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Mar 24, 2017.

This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed

At a glance

General information

Key facts about Garcinia Cambogia 1600 mg, straight from the product label.

Brand Official HCG Diet Plan
Market status On market
Date entered into DSLD Mar 24, 2017
DSLD ID 71475
Product type Botanical With Nutrients
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years)
From the label
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.

Supplement Facts

The label details for Garcinia Cambogia 1600 mg by Official HCG Diet Plan, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
2 Capsule(s)
Maximum serving Sizes:
2 Capsule(s)
Servings per container
30
IngredientAmount% DV
Potassium80 mg2%
Calcium80 mg8%
Garcinia cambogia (fruit rind) extract1600 mg--

Other ingredients: Vegetable Cellulose

Tap any ingredient to jump to its full detail below.

Label statements
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
FDA Disclaimer Statement

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

General Statements

Weight management system

100% Pure

To reorder call: 800-871-3767

Formula

With 60% HCA

Suggested/Recommended/Usage/Directions

Suggested Use: As a dietary supplement, take one capsule (with a full of glass of water 30 minutes before meals) two times per day or as directed your health care professional.

Precautions

Warnings: Do not exceed the recommended dose.

Pregnant or nursing mothers, children under the age of 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.

Do not use if seal is damaged or missing. Use only as directed.

Keep out of reach of children.

Storage

Store in a cool dry place.

Formulation

- No artificial ingredients - No preservatives - No binders - No fillers

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Garcinia Cambogia 1600 mg by Official HCG Diet Plan label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

Garcinia Cambogia 1600 mg label

Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.

View the full label (PDF)
What’s inside

The Ingredients in Garcinia Cambogia 1600 mg by Official HCG Diet Plan

These are the 3 active ingredients this product is made of. Select any to open its full monograph.

Serving size2 Capsule(s) Dosage formCapsule Servings per container30 Amounts shown are per serving.

Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.

Potassium

Interacts with
62 drugs
80 mg per serving

Potassium is an essential mineral your body needs for nerve signals, muscle function, and a steady heartbeat, and most people get enough from a balanc...

Potassium monograph & interactions

Calcium

Interacts with
168 drugs
80 mg per serving

Calcium is an essential mineral your body needs for strong bones, nerve signaling, and muscle function, and supplements can help fill gaps when diet f...

Calcium monograph & interactions

Garcinia cambogia (fruit rind) extract

Interacts with
704 drugs
1600 mg per serving Form: HCA

Garcinia is a tropical fruit whose rind contains hydroxycitric acid (HCA), widely marketed for weight loss and appetite control. The scientific eviden...

Garcinia cambogia (fruit rind) extract monograph & interactions

Other (inactive) ingredients: Vegetable Cellulose. These complete the product’s ingredient list but are not active constituents.

Interaction report

Garcinia Cambogia 1600 mg by Official HCG Diet Plan Drug Interactions

Want to check YOUR meds against Garcinia Cambogia 1600 mg?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

 Go to the checker
860Drugs
7 Major 840 Moderate 13 Minor

Ingredients driving the most interactions

Garcinia cambogia (fruit rind) extract 704
Calcium 168
Potassium 62

Individual Drug Interactions

The ingredients in Garcinia Cambogia 1600 mg interact with 860 drugs. Click any drug to see the details.

3 of the 3 ingredients in Garcinia Cambogia 1600 mg interact with drugs. Each result below shows which ingredient is responsible. Garcinia cambogia (fruit rind) extract Calcium Potassium

Each ingredient & the kinds of drugs it affects

For each ingredient in Garcinia Cambogia 1600 mg with known interactions, here are the types of medications they can affect. Open any type for the detail — or search your exact drug in the checker above.

Garcinia cambogia (fruit rind) extract4 drug types · 704 drugs

Anticoagulant/Antiplatelet Drugs

Theoretically, hydroxycitric acid (HCA), the main active ingredient in garcinia, might increase the risk of bleeding when used with antiplatelet or anticoagulant drugs.
HCA inhibits platelet aggregation in vitro. The inhibitory effect seems to be greater in platelets extracted from diabetic subjects than non-diabetic subjects.

Likelihood Possible Evidence D
Antidiabetes Drugs

Theoretically, hydroxycitric acid (HCA), the main active ingredient in garcinia, might have additive effects with antidiabetes drugs and increase the risk of hypoglycemia.
HCA reduces fasting and postprandial blood glucose levels in animal models, theoretically by delaying glucose absorption. This effect has not been reported in humans.

Likelihood Possible Evidence D
Hepatotoxic Drugs

Theoretically, concomitant use with other potentially hepatotoxic drugs might increase the risk of developing liver damage.
There have been reports of acute hepatitis with elevated liver enzymes associated with garcinia, when taken alone or in combination with other ingredients. Case reports collected from the Drug Induced Liver Injury Network suggest this risk may be greater in people who carry the HLA B*35:01 allele.

Likelihood Possible Evidence D
Serotonergic Drugs

Theoretically, combining garcinia with other serotonergic drugs might increase the risk of serotonergic side effects, including serotonin syndrome.
In one report, a patient experienced serotonin syndrome after taking garcinia extract (60% hydroxycitric acid) 1000 mg daily in combination with escitalopram 20 mg, which had been taken for a year. The patient was switched to sertraline 50 mg daily and again experienced serotonin syndrome.

Likelihood Possible Evidence D
Garcinia cambogia (fruit rind) extract full monograph & interactions

Calcium18 drug types · 168 drugs

Ceftriaxone (Rocephin)

Co-administration of intravenous calcium and ceftriaxone can result in precipitation of a ceftriaxone-calcium salt in the lungs and kidneys.
Avoid administering intravenous calcium in any form, such as parenteral nutrition or Lactated Ringers, within 48 hours of intravenous ceftriaxone. Case reports in neonates show that administering intravenous ceftriaxone and calcium can result in precipitation of a ceftriaxone-calcium salt in the lungs and kidneys. In several cases, neonates have died as a result of this interaction. So far there are no reports in adults; however, there is still concern that this interaction might occur in adults.

Likelihood Probable Evidence D
Dolutegravir (Tivicay)

Calcium seems to reduce levels of dolutegravir.
Advise patients to take dolutegravir either 2 hours before or 6 hours after taking calcium supplements. Pharmacokinetic research suggests that taking calcium carbonate 1200 mg concomitantly with dolutegravir 50 mg reduces plasma levels of dolutegravir by almost 40%. Calcium appears to decrease levels of dolutegravir through chelation.

Likelihood Probable Evidence B
Elvitegravir (Vitekta)

Calcium seems to reduce levels of elvitegravir.
Advise patients to take elvitegravir either 2 hours before or 2 hours after taking calcium supplements. Pharmacokinetic research suggests that taking calcium along with elvitegravir can reduce blood levels of elvitegravir through chelation.

Likelihood Probable Evidence B
Aluminum

Calcium citrate might increase aluminum absorption and toxicity. Other types of calcium do not increase aluminum absorption.
Calcium citrate can increase the absorption of aluminum when taken with aluminum hydroxide. The increase in aluminum levels may become toxic, particularly in individuals with kidney disease. However, the effect of calcium citrate on aluminum absorption is due to the citrate anion rather than calcium cation. Calcium acetate does not appear to increase aluminum absorption.

Likelihood Possible Evidence B
Bictegravir/Emtricitabine/Tenofovir Alafenamide (Biktarvy)

Calcium might decrease levels of bictegravir/emtricitabine/tenofovir alafenamide by reducing its absorption when taken in a fasting state.
Advise patients that bictegravir/emtricitabine/tenofovir alafenamide and calcium can be taken together if taken with food. However, if taken on an empty stomach, bictegravir/emtricitabine/tenofovir alafenamide should not be taken with, or 2 hours after, calcium containing products.

Likelihood Probable Evidence D
Bisphosphonates

Calcium reduces the absorption of bisphosphonates.
Advise patients to take bisphosphonates at least 30 minutes before calcium, but preferably at a different time of day. Calcium supplements decrease absorption of bisphosphonates.

Likelihood Probable Evidence C
Calcipotriene (Dovonex)

Taking calcipotriene with calcium might increase the risk for hypercalcemia.
Calcipotriene is a vitamin D analog used topically for psoriasis. It can be absorbed in sufficient amounts to cause systemic effects, including hypercalcemia. Theoretically, combining calcipotriene with calcium supplements might increase the risk of hypercalcemia.

Likelihood Possible Evidence B
Digoxin (Lanoxin)

Using intravenous calcium with digoxin might increase the risk of fatal cardiac arrhythmias.
Hypercalcemia increases the risk of fatal cardiac arrhythmias with digoxin. However, one retrospective analysis of clinical data suggests that intravenous calcium does not increase the risk of dysrhythmias or mortality in patients receiving digoxin.

Likelihood Possible Evidence B
Diltiazem (Cardizem, Others)

Theoretically, calcium may reduce the therapeutic effects of diltiazem.
Hypercalcemia can reduce the effectiveness of verapamil in atrial fibrillation. Theoretically, calcium might increase this risk of hypercalcemia and reduce the effectiveness of diltiazem.

Likelihood Probable Evidence D
Levothyroxine (Synthroid, Others)

Calcium seems to reduce the absorption and effectiveness of levothyroxine.
Advise patients to take levothyroxine and calcium supplements at least 4 hours apart. Calcium reduces levothyroxine absorption, probably by forming insoluble complexes. Calcium carbonate supplements reduce effectiveness of levothyroxine in patients with hypothyroidism.

Likelihood Probable Evidence B
Lithium

Theoretically, concomitant use of calcium and lithium may increase this risk of hypercalcemia.
Clinical research suggests that long-term use of lithium may cause hypercalcemia in 10% to 60% of patients. Theoretically, concomitant use of lithium and calcium supplements may further increase this risk.

Likelihood Possible Evidence B
Quinolone Antibiotics

Calcium seems to reduce the absorption of quinolone antibiotics.
Advise patients to take oral quinolones at least 2 hours before or 4-6 hours after calcium supplements or calcium-fortified foods. Taking calcium at the same time as oral quinolones can reduce quinolone absorption. Calcium binds to quinolones in the gut.

Likelihood Probable Evidence B
Raltegravir (Isentress)

Calcium may reduce levels of raltegravir.
Pharmacokinetic research shows that taking a single dose of calcium carbonate 3000 mg along with raltegravir 400 mg twice daily modestly decreases the mean area under the curve of raltegravir, but the decrease does not necessitate a dose adjustment of raltegravir. However, a case of elevated HIV-1 RNA levels and documented resistance to raltegravir has been reported for a patient taking calcium carbonate 1 gram three times daily plus vitamin D3 (cholecalciferol) 400 IU three times daily in combination with raltegravir 400 mg twice daily for 11 months. It is thought that calcium reduced raltegravir levels by chelation, leading to treatment failure.

Likelihood Possible Evidence B
Sotalol (Betapace)

Calcium seems to reduce the absorption of sotalol.
Advise patients to separate doses by at least 2 hours before or 4-6 hours after calcium. Calcium appears to reduce the absorption of sotalol, probably by forming insoluble complexes.

Likelihood Possible Evidence B
Tetracycline Antibiotics

Calcium seems to reduce the absorption of tetracycline antibiotics.
Advise patients to take oral tetracyclines at least 2 hours before, or 4-6 hours after calcium supplements. Taking calcium at the same time as oral tetracyclines can reduce tetracycline absorption. Calcium binds to tetracyclines in the gut.

Likelihood Probable Evidence C
Thiazide Diuretics

Taking calcium along with thiazides might increase the risk of hypercalcemia and renal failure.
Thiazides reduce calcium excretion by the kidneys. Using thiazides along with moderately large amounts of calcium carbonate increases the risk of milk-alkali syndrome (hypercalcemia, metabolic alkalosis, renal failure). Patients may need to have their serum calcium levels and/or parathyroid function monitored regularly.

Likelihood Probable Evidence C
Verapamil (Calan, Others)

Theoretically, calcium may reduce the therapeutic effects of verapamil.
Hypercalcemia can reduce the effectiveness of verapamil in atrial fibrillation. Theoretically, use of calcium supplements may increase this risk of hypercalcemia and reduce the effectiveness of verapamil.

Likelihood Probable Evidence D
Calcium Channel Blockers

Intravenous calcium may decrease the effects of calcium channel blockers; oral calcium is unlikely to have this effect.
Intravenous calcium is used to decrease the effects of calcium channel blockers in the management of overdose. Intravenous calcium gluconate has been used before intravenous verapamil (Isoptin) to prevent or reduce the hypotensive effects without affecting the antiarrhythmic effects. But there is no evidence that dietary or supplemental calcium when taken orally interacts with calcium channel blockers.

Likelihood Unlikely Evidence D
Calcium full monograph & interactions

Potassium3 drug types · 62 drugs

Ace Inhibitors (Aceis)

Using ACEIs with high doses of potassium increases the risk of hyperkalemia.
ACEIs block the actions of the renin-angiotensin-aldosterone system and reduce potassium excretion. Concomitant use of these drugs with potassium supplements increases the risk of hyperkalemia. However, concomitant use of these drugs with moderate dietary potassium intake (about 3775-5200 mg daily) does not increase serum potassium levels.

Likelihood Likely Evidence C
Angiotensin Receptor Blockers (Arbs)

Using ARBs with high doses of potassium increases the risk of hyperkalemia.
ARBs block the actions of the renin-angiotensin-aldosterone system and reduce potassium excretion. Concomitant use of these drugs with potassium supplements increases the risk of hyperkalemia. However, concomitant use of these drugs with moderate dietary potassium intake (about 3775-5200 mg daily) does not increase serum potassium levels.

Likelihood Likely Evidence C
Potassium-Sparing Diuretics

Concomitant use increases the risk of hyperkalemia.
Using potassium-sparing diuretics with potassium supplements increases the risk of hyperkalemia.

Likelihood Likely Evidence C
Potassium full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Garcinia Cambogia 1600 mg, from the product label.

Official HCG Diet Plan

See all Official HCG Diet Plan products
Phone Number
800-871-3767
Pharmacist Counseling Corner

Garcinia Cambogia 1600 mg by Official HCG Diet Plan: Common Questions

Does Garcinia Cambogia 1600 mg by Official HCG Diet Plan interact with any medications?
Yes. Based on its ingredients, Garcinia Cambogia 1600 mg has a known interaction with 860 medications, including 7 rated major. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Garcinia Cambogia 1600 mg contains 3 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Is potassium in this product safe for me?
Potassium from food is fine, but supplements carry real risk — they can raise blood potassium to dangerous levels, especially if you have kidney disease, take certain blood pressure or heart drugs, or take potassium-sparing water pills. Don't use potassium supplements without your doctor's approval, even in a multi-ingredient product like this one.
Can I take this while pregnant or breastfeeding?
The potassium and calcium ingredients are considered likely safe at normal amounts during pregnancy and breastfeeding — adequate calcium is actually important. However, garcinia cambogia has not been studied enough in pregnancy or lactation, and the facts advise against use. Talk with your doctor or pharmacist about whether this product is right for you if you're pregnant or nursing.
Does garcinia cambogia in this product actually help with weight loss?
We don't have reliable evidence to say. The facts show insufficient data to rate garcinia for obesity or any of its advertised uses — the ingredient is not proven to work in humans, even though it's marketed for weight loss.
What are the most common side effects I might notice?
From potassium: stomach pain, gas, diarrhea, nausea, or vomiting. From calcium: constipation, gas, diarrhea, or stomach upset. From garcinia: diarrhea, stomach discomfort, headache, or nausea. Most people tolerate these ingredients at standard doses, but serious side effects — like very high potassium levels or liver injury from garcinia — are rare.
How do I take this safely with my other medications?
That depends on what you take. Potassium and calcium both interact with common drugs — especially heart, blood pressure, thyroid, diabetes, and blood-thinning medications. Use the interaction checker on this page to look up your exact prescriptions, then discuss the results with your pharmacist or doctor before you start.
Is this product a good source of potassium if I've been told to take supplements?
Only if your doctor has specifically recommended a potassium supplement and approved this product. Potassium supplements are prescription-strength for good reason — wrong amounts or drug combinations can be dangerous. Never self-treat with potassium; your doctor needs to oversee it.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

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Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.

Garcinia Cambogia 1600 mg label
Go deeper

The Full Monographs Behind Garcinia Cambogia 1600 mg’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Herb & supplement monograph

Potassium

Interacts with 62 drugs

Potassium is an essential mineral your body needs for nerve signals, muscle function, and a steady heartbeat, and most people get enough from a balanced diet rich in fruits and vegetables. P...

Read the full Potassium monograph → Herb & supplement monograph

Calcium

Interacts with 168 drugs

Calcium is an essential mineral your body needs for strong bones, nerve signaling, and muscle function, and supplements can help fill gaps when diet falls short. Most people do best getting...

Read the full Calcium monograph → Herb & supplement monograph

Garcinia

Interacts with 704 drugs

Garcinia is a tropical fruit whose rind contains hydroxycitric acid (HCA), widely marketed for weight loss and appetite control. The scientific evidence is weak and mixed, with most studies...

Read the full Garcinia monograph →
Sources

Sources & How We Checked

Garcinia Cambogia 1600 mg's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.

The 118 references behind this product’s interaction data

Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.

Potassium 12 references
  1. McEvoy GK, ed. AHFS Drug Information. Bethesda, MD: American Society of Health-System Pharmacists, 1998.
  2. Gennaro A. Remington: The Science and Practice of Pharmacy. 19th ed. Lippincott: Williams & Wilkins, 1996.
  3. Whelton PK, He J, Cutler JA, et al. Effects of oral potassium on blood pressure. Meta-analysis of randomized controlled clinical trials. JAMA 1997;277:1624-32. PubMed
  4. Phillips, C. O., Kashani, A., Ko, D. K., Francis, G., and Krumholz, H. M. Adverse effects of combination angiotensin II receptor blockers plus angiotensin-converting enzyme inhibitors for left ventricular dysfunction: a quantitative review of data from ra DOI
  5. Altieri, P. I., Herrero, C., Suero, R., and Ortiz, A. Bleeding duodenal ulcer in a patient taking slow-releasing potassium tablets. Bol.Asoc.Med P.R. 1977;69(8):276.
  6. Raf, L. E. Enteric-coated potassium chloride tablets and ulcer of the small intestine. Acta Chir Scand Suppl 1967;(374):1-87.
  7. Potassium chloride oral solution [package insert]. Allentown, PA: Lehigh Valley Technologies, Inc.; 2014.
  8. Potassium chloride injection [package insert]. Lake Forest, IL: Hospira Inc.; 2009.
  9. Patel RB, Tannenbaum S, Viana-Tejedor A, et al. Serum potassium levels, cardiac arrhythmias, and mortality following non-ST-elevation myocardial infarction or unstable angina: insights from MERLIN-TIMI 36. Eur Heart J Acute Cardiovasc Care 2017 Feb;6(1):1 PubMed
  10. Malta D, Arcand J, Ravindran A, Floras V, Allard JP, Newton GE. Adequate intake of potassium does not cause hyperkalemia in hypertensive individuals taking medications that antagonize the renin angiotensin aldosterone system. Am J Clin Nutr 2016 Oct;104(4 PubMed
  11. Keskin M, Kaya A, Tatlisu MA, et al. The effect of serum potassium level on in-hospital and long-term mortality in ST elevation myocardial infarction. Int J cardiol. 2016 Oct 15;221:505-10.
  12. Stallings VA, Harrison M, Oria M; Committee to Review the Dietary Reference Intakes for Sodium and Potassium, Food and Nutrition Board, Health and Medicine Division, National Academies of Sciences, Engineering, and Medicine. Washington (DC): National Acad

See these in context on the Potassium monograph →

Calcium 62 references
  1. Shils M, Olson A, Shike M. Modern Nutrition in Health and Disease. 8th ed. Philadelphia, PA: Lea and Febiger, 1994.
  2. Hernandez-Avila M, Gonzalez-Cossio T, Hernandez-Avila JE, et al. Dietary calcium supplements to lower blood lead levels in lactating women: a randomized placebo-controlled trial. Epidemiology 2003;14:206-12.. PubMed
  3. Thys-Jacobs S, Ceccarelli S, Bierman A, et al. Calcium supplementation in premenstrual syndrome: a randomized crossover trial. J Gen Intern Med 1989;4:183-9. PubMed
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