Active Ingredients & Drug Interactions
by Signalom
What is this page for?
First and foremost: checking Active 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
Active is a dietary supplement by Signalom with 6 active ingredients. Its ingredients are commonly taken for exercise performance and recovery, heart health, weight management.Based on those ingredients, 239 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Sodium Succinate dibasic Hexahydrate, Potassium Fumarate, L-Carnitine Fumarate. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against Active by Signalom
Ask about any prescription or over-the-counter medication and we check it for interactions with Active by Signalom — and tell you which ingredient is responsible.
AI summaries are generated from our interaction database for education only — always confirm with your pharmacist. How we use AI
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HelloPharmacist Scorecard of Active by Signalom
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.
What’s inside
Low disclosure
Signalom Active is a 6-ingredient capsule built around a proprietary blend and several mineral compounds. The active ingredients are L-carnitine fumarate (an amino acid your body uses for energy and heart function), sodium succinate dibasic hexahydrate (a form of sodium), potassium fumarate (a mineral salt), ammonium succinate, succinic acid, and ammonium phosphate.
The capsule also contains inactive ingredients like microcrystalline cellulose, magnesium stearate, and silicon dioxide — standard binders and flow agents.
Does it work?
Strong evidence
L-carnitine is effective for treating L-carnitine deficiency and possibly effective for high cholesterol (hyperlipidemia), congestive heart failure (CHF), and angina. The sodium and potassium components are present as mineral carriers; the facts don't establish effectiveness ratings for them in this product's context.
We don't hold effectiveness data for ammonium succinate, succinic acid, or ammonium phosphate.
How safe is it?
Well-documented data
L-carnitine is generally well tolerated at typical doses, though high doses can cause stomach upset, nausea, diarrhea, and a fishy body odor. Seizures are rare.
There isn't enough reliable safety data overall; use only under medical supervision. Sodium in supplemental amounts is a concern — normal dietary sodium is fine, but excess is linked to high blood pressure and heart strain; avoid sodium supplements without medical advice.
Potassium from food is safe, but supplements can dangerously raise blood levels, especially in people with kidney disease. For pregnancy, L-carnitine has insufficient data (talk to your doctor); sodium is possibly unsafe; and potassium is likely safe from diet.
For breastfeeding, L-carnitine is possibly safe but not well studied, sodium is possibly unsafe, and potassium from diet is appropriate — check with your doctor before supplementing.
Meds to double-check
Moderate interaction found
Before taking this product, double-check if you're on blood thinners (warfarin or acenocoumarol), blood pressure medications, thyroid hormone replacement, corticosteroids, lithium, potassium-sparing diuretics, ACE inhibitors, or ARBs — all have moderate interactions. Check with your pharmacist.
The bottom line
Scorecard at a glanceFormula with limited ingredient disclosure with strong clinical evidence behind its ingredients' uses. Moderate medication interactions have been identified, and safety information is well characterized.
Signalom Active is built on L-carnitine for energy and heart support, but the added sodium and potassium make this a product you should not start without talking to your pharmacist, especially if you take blood thinners, blood pressure drugs, heart medications, lithium, or potassium-sparing diuretics. Check your exact medications first.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 3 of 6 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Nov 21, 2020.
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
General information
Key facts about Active, straight from the product 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 Active by Signalom, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Proprietary Blend | 300 mg | -- |
| L-Carnitine Fumarate | 0 NP | -- |
| Ammonium Succinate | 0 NP | -- |
| Sodium Succinate dibasic Hexahydrate | 0 NP | -- |
| Succinic Acid | 0 NP | -- |
| Potassium Fumarate | 0 NP | -- |
| Ammonium Phosphate | 0 NP | -- |
Other ingredients: Microcrystalline Cellulose, Magnesium Stearate, Silicon Dioxide, Capsule
Tap any ingredient to jump to its full detail below.
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.
General Statements
45 Day Money Back Guarantee
Formulation
NSF Certified for Sport
Signalling and regulatory metabolites
FDA Statement of Identity
Dietary Supplement
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
Active by Signalom label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
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)The Ingredients in Active by Signalom
These are the 6 active ingredients this product is made of. Select any to open its full monograph.
Serving size1 Capsule(s) Dosage formCapsule 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.
Proprietary Blend
- › L-Carnitine Fumarate
- › Ammonium Succinate
- › Sodium Succinate dibasic Hexahydrate
- › Succinic Acid
- › Potassium Fumarate
- › Ammonium Phosphate
Other (inactive) ingredients: Microcrystalline Cellulose, Magnesium Stearate, Silicon Dioxide, Capsule. These complete the product’s ingredient list but are not active constituents.
Active by Signalom Drug Interactions
HelloPharmacist Interaction Report
Signalom Active contains several ingredients that interact with medications.
The most serious concern is L-carnitine's moderate interaction with blood thinners (anticoagulants): it may increase the blood-thinning effects of warfarin (Coumadin) and acenocoumarol (Sintrom), which could raise your bleeding risk. There are at least two case reports of this happening with acenocoumarol.
Read the full breakdown — every affected drug type, severity by severity
L-carnitine also interacts moderately with thyroid hormone replacement — it may reduce how well the medication works by blocking thyroid hormone from entering cells where it's needed. The sodium in this product interacts moderately with several drug types: blood pressure medications (sodium can reduce their effectiveness), corticosteroids (increased risk of high sodium levels), lithium (sodium changes can alter lithium levels and cause toxicity), didanosine, sodium phosphate products, tolvaptan, and other sodium-containing drugs.
Potassium fumarate interacts moderately with potassium-sparing diuretics, ACE inhibitors, and ARBs — all carry a risk of dangerously high potassium levels.
We could not check interaction data for ammonium succinate, succinic acid, or ammonium phosphate. Altogether, these interactions span 237 individual medications.
Run your exact medications through the checker on this page before you start.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against Active?
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 checkerIngredients driving the most interactions
Individual Drug Interactions
The ingredients in Active interact with 239 drugs. Click any drug to see the details.
3 of the 6 ingredients in Active interact with drugs. Each result below shows which ingredient is responsible. Sodium Succinate dibasic Hexahydrate Potassium Fumarate L-Carnitine Fumarate
AcebutololRhotral, Sectral
How Acebutolol interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Acebutolol interactionAcenocoumarolSintrom
How Acenocoumarol interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
L-carnitine FumarateAcenocoumarol (sintrom) Moderate
Interaction Summary
Theoretically, L-carnitine might increase the anticoagulant effects of acenocoumarol.
Read the full L-carnitine Fumarate + Acenocoumarol interactionAcetazolamideAk-Zol, Diamox
How Acetazolamide interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Acetazolamide interactionAliskirenTekturna
How Aliskiren interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Aliskiren interactionAmbrisentanLetairis, Volibris
How Ambrisentan interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Ambrisentan interactionAmilorideAmilamont, Midamor
How Amiloride interacts with Active — through 2 ingredients. Tap an ingredient for the detail:
Potassium FumaratePotassium-sparing Diuretics Moderate
Interaction Summary
Concomitant use increases the risk of hyperkalemia.
Read the full Potassium Fumarate + Amiloride interactionSodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Amiloride interactionAmiloride, HydrochlorothiazideAmil-Co, Amilzide, Moduret 25, Moduretic
How Amiloride, Hydrochlorothiazide interacts with Active — through 2 ingredients. Tap an ingredient for the detail:
Potassium FumaratePotassium-sparing Diuretics Moderate
Interaction Summary
Concomitant use increases the risk of hyperkalemia.
Read the full Potassium Fumarate + Amiloride, Hydrochlorothiazide interactionSodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Amiloride, Hydrochlorothiazide interactionAmlodipineNorliqva
How Amlodipine interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Amlodipine interactionAmlodipine BenzoateKaterzia
How Amlodipine Benzoate interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Amlodipine Benzoate interactionAmlodipine BesilateIstin
How Amlodipine Besilate interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Amlodipine Besilate interactionAmlodipine BesylateNorvasc
How Amlodipine Besylate interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Amlodipine Besylate interactionAmlodipine Besylate, BenazeprilLotrel
How Amlodipine Besylate, Benazepril interacts with Active — through 2 ingredients. Tap an ingredient for the detail:
Potassium FumarateAce Inhibitors (aceis) Moderate
Interaction Summary
Using ACEIs with high doses of potassium increases the risk of hyperkalemia.
Read the full Potassium Fumarate + Amlodipine Besylate, Benazepril interactionSodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Amlodipine Besylate, Benazepril interactionAmlodipine, CelecoxibConsensi
How Amlodipine, Celecoxib interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Amlodipine, Celecoxib interactionAmmonium ChlorideAmmonium Chloride
How Ammonium Chloride interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Ammonium Chloride interactionAprocitentanTryvio
How Aprocitentan interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Aprocitentan interactionAtenololAtenix, Tenormin
How Atenolol interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Atenolol interactionAtenolol, ChlortalidoneAtenixCo, Tenoret 50, Totaretic
How Atenolol, Chlortalidone interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Atenolol, Chlortalidone interactionAtenolol, ChlorthalidoneTenoretic
How Atenolol, Chlorthalidone interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Atenolol, Chlorthalidone interactionAzelastine Hydrochloride, Fluticasone PropionateDymista
How Azelastine Hydrochloride, Fluticasone Propionate interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateCorticosteroids Moderate
Interaction Summary
Concomitant use of mineralocorticoids and some glucocorticoids with sodium supplements might increase the risk of hypernatremia.
Read the full Sodium Succinate Dibasic Hexahydrate + Azelastine Hydrochloride, Fluticasone Propionate interactionAzilsartanEdarbi
How Azilsartan interacts with Active — through 2 ingredients. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Azilsartan interactionPotassium FumarateAngiotensin Receptor Blockers (arbs) Moderate
Interaction Summary
Using ARBs with high doses of potassium increases the risk of hyperkalemia.
Read the full Potassium Fumarate + Azilsartan interactionAzilsartan, ChlorthalidoneEdarbyclor
How Azilsartan, Chlorthalidone interacts with Active — through 2 ingredients. Tap an ingredient for the detail:
Potassium FumarateAngiotensin Receptor Blockers (arbs) Moderate
Interaction Summary
Using ARBs with high doses of potassium increases the risk of hyperkalemia.
Read the full Potassium Fumarate + Azilsartan, Chlorthalidone interactionSodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Azilsartan, Chlorthalidone interactionBeclometasone DipropionateBecotide
How Beclometasone Dipropionate interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateCorticosteroids Moderate
Interaction Summary
Concomitant use of mineralocorticoids and some glucocorticoids with sodium supplements might increase the risk of hypernatremia.
Read the full Sodium Succinate Dibasic Hexahydrate + Beclometasone Dipropionate interactionBeclomethasoneBeclovent, Vanceril
How Beclomethasone interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateCorticosteroids Moderate
Interaction Summary
Concomitant use of mineralocorticoids and some glucocorticoids with sodium supplements might increase the risk of hypernatremia.
Read the full Sodium Succinate Dibasic Hexahydrate + Beclomethasone interactionBeclomethasone DipropionateQNASL, Qvar
How Beclomethasone Dipropionate interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateCorticosteroids Moderate
Interaction Summary
Concomitant use of mineralocorticoids and some glucocorticoids with sodium supplements might increase the risk of hypernatremia.
Read the full Sodium Succinate Dibasic Hexahydrate + Beclomethasone Dipropionate interactionBenazeprilLotensin
How Benazepril interacts with Active — through 2 ingredients. Tap an ingredient for the detail:
Potassium FumarateAce Inhibitors (aceis) Moderate
Interaction Summary
Using ACEIs with high doses of potassium increases the risk of hyperkalemia.
Read the full Potassium Fumarate + Benazepril interactionSodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Benazepril interactionBenazepril, HydrochlorothiazideLotensin HCT
How Benazepril, Hydrochlorothiazide interacts with Active — through 2 ingredients. Tap an ingredient for the detail:
Potassium FumarateAce Inhibitors (aceis) Moderate
Interaction Summary
Using ACEIs with high doses of potassium increases the risk of hyperkalemia.
Read the full Potassium Fumarate + Benazepril, Hydrochlorothiazide interactionSodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Benazepril, Hydrochlorothiazide interactionBendroflumethiazideAprinox, Naturetin, Neo-NaClex
How Bendroflumethiazide interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Bendroflumethiazide interactionBendroflumethiazide, NadololCorzide
How Bendroflumethiazide, Nadolol interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Bendroflumethiazide, Nadolol interactionBendroflumethiazide, PotassiumCentyl K, Neo-NaClex-K
How Bendroflumethiazide, Potassium interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Potassium FumaratePotassium-sparing Diuretics Moderate
Interaction Summary
Concomitant use increases the risk of hyperkalemia.
Read the full Potassium Fumarate + Bendroflumethiazide, Potassium interactionBendroflumethiazide, Rauwolfia SerpentinaRauzide
How Bendroflumethiazide, Rauwolfia Serpentina interacts with Active — through 1 ingredient. Tap an ingredient for the detail:
Sodium Succinate Dibasic HexahydrateAntihypertensive Drugs Moderate
Interaction Summary
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
Read the full Sodium Succinate Dibasic Hexahydrate + Bendroflumethiazide, Rauwolfia Serpentina interactionEach ingredient & the kinds of drugs it affects
For each ingredient in Active 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.
Sodium Succinate dibasic Hexahydrate
Antihypertensive Drugs
Theoretically, a high intake of dietary sodium might reduce the effectiveness of antihypertensive drugs.
High intake of dietary sodium can increase systolic and diastolic blood pressure. Also, high intake of sodium may necessitate increased use of antihypertensive medications to achieve blood pressure control in some patients, such as those with chronic kidney disease.
Corticosteroids
Concomitant use of mineralocorticoids and some glucocorticoids with sodium supplements might increase the risk of hypernatremia.
Mineralocorticoids and some glucocorticoids (corticosteroids) cause sodium retention. This effect is dose-related and depends on mineralocorticoid potency. It is most common with hydrocortisone, cortisone, and fludrocortisone, followed by prednisone and prednisolone.
Didanosine (Videx)
Concomitant use of didanosine with additional sodium from dietary or supplemental sources may increase the risk of hypernatremia.
Didanosine formulations contain a significant amount of sodium.
Lithium
Altering dietary intake of sodium might alter the levels and clinical effects of lithium.
High sodium intake can reduce plasma concentrations of lithium by increasing lithium excretion. Reducing sodium intake can significantly increase plasma concentrations of lithium and cause lithium toxicity in patients being treated with lithium carbonate. Stabilizing sodium intake is shown to reduce the percentage of patients with lithium level fluctuations above 0.8 mEq/L. Patients taking lithium should avoid significant alterations in their dietary intake of sodium.
Sodium Phosphates
Theoretically, concomitant use of sodium phosphate with sodium supplements might increase the risk of hypernatremia.
Use of high doses (> 45 mL in 24 hours) of sodium phosphate, such as those used for bowel cleansing before surgery, can lead to serious electrolyte disturbances, including hypernatremia. The risk of hypernatremia is highest in the elderly and people with other risk factors for electrolyte disturbances.
Sodium-Containing Drugs
Concomitant use of sodium-containing drugs with additional sodium from dietary or supplemental sources may increase the risk of hypernatremia and long-term sodium-related complications.
The Chronic Disease Risk Reduction (CDRR) intake level of 2.3 grams of sodium daily indicates the intake at which it is believed that chronic disease risk increases for the apparently healthy population. Some medications contain high quantities of sodium. When used in conjunction with sodium supplements or high-sodium diets, the CDRR may be exceeded. Additionally, concomitant use may increase the risk for hypernatremia; this risk is highest in the elderly and people with other risk factors for electrolyte disturbances.
Tolvaptan (Samsca)
Theoretically, concomitant use of tolvaptan with sodium might increase the risk of hypernatremia.
Tolvaptan is a vasopressin receptor 2 antagonist that is used to increase sodium levels in patients with hyponatremia. Patients taking tolvaptan should use caution with the use of sodium salts such as sodium chloride.
Potassium Fumarate
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.
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.
Potassium-Sparing Diuretics
Concomitant use increases the risk of hyperkalemia.
Using potassium-sparing diuretics with potassium supplements increases the risk of hyperkalemia.
L-Carnitine Fumarate
Acenocoumarol (Sintrom)
Theoretically, L-carnitine might increase the anticoagulant effects of acenocoumarol.
L-carnitine might enhance the anticoagulant effects of acenocoumarol, an oral anticoagulant similar to warfarin, but shorter-acting. There are at least two case reports of INR elevation with concomitant use. In one case, a 33-year-old male with a previously stable INR had an elevated INR of 4.65 after L-carnitine was started and continued for 10 weeks. INR normalized after discontinuation of the L-carnitine-containing product.
Thyroid Hormone
Theoretically, L-carnitine might decrease the effectiveness of thyroid hormone replacement.
L-carnitine appears to act as a peripheral thyroid hormone antagonist by inhibiting entry of thyroid hormone into the nucleus of cells. Taking L-carnitine also seems to diminish some of the symptoms of hyperthyroidism.
Warfarin (Coumadin)
Theoretically, L-carnitine might increase the anticoagulant effects of warfarin.
L-carnitine might increase the anticoagulant effects of acenocoumarol, a shorter-acting oral anticoagulant similar to warfarin. There is not enough information to know whether this interaction occurs with L-carnitine and warfarin.
Brand information
Manufacturer and brand details for Active, from the product label.
Active by Signalom: Common Questions
Does Active by Signalom interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
What is L-carnitine supposed to do in this product?
Can I take this if I'm on warfarin?
Why does this product have sodium and potassium in it?
What are the most common side effects?
Is this safe during pregnancy or breastfeeding?
What if I'm on a blood pressure medication?
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.
The Full Monographs Behind Active’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
L-carnitine
Interacts with 19 drugsL-carnitine is a compound your body makes naturally and also gets from foods like meat. It helps cells turn fat into energy, and supplements are most clearly useful for people with a true ca...
Read the full L-carnitine monograph → Herb & supplement monographSodium
Interacts with 205 drugsSodium is an essential mineral and electrolyte your body needs to balance fluids, support nerves, and help muscles work. Most people in modern diets get more than enough—often too much—from...
Read the full Sodium monograph → Herb & supplement monographPotassium
Interacts with 62 drugsPotassium 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 →Sources & How We Checked
Active'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.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
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 91 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.
L-carnitine 41 references
- Ellaway CM, Williams K, Leonard H, et al. Rett syndrome: randomized controlled trial of L-carnitine. J Child Neurol 1999;14:162-7. PubMed
- Anon. Carnitor (levocarnitine) package insert. Sigma-Tau Pharmaceuticals Inc, Gaithersburg, MD. December 1999.
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