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

KLVB-6 Ingredients & Drug Interactions

by Viva Vitamins

KLVB-6 label
See full label image
Tablet Or Pill Category: Other Combinations
Most serious interaction: Major
Clinical methodology reviewed by · Updated Sep 9, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking KLVB-6 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

KLVB-6 is a dietary supplement by Viva Vitamins with 4 active ingredients. Its ingredients are commonly taken for morning sickness in pregnancy, premenstrual syndrome (pms), preventing or treating b6 deficiency.Based on those ingredients, 1,125 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are Kelp, dried Apple Cider, Vitamin B6. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

Jump to a section

Check Your Meds Against KLVB-6 by Viva Vitamins

Ask about any prescription or over-the-counter medication and we check it for interactions with KLVB-6 by Viva Vitamins — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
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HelloPharmacist Scorecard of KLVB-6 by Viva Vitamins

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 11, 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 4 of its 4 active ingredients.
  • No proprietary blends here — you can verify the dose of every single component.

KLVB-6 contains 4 ingredients. The active ones are vitamin B6 (a B vitamin), soy lecithin (derived from soy), kelp (a seaweed), and dried apple cider (powdered apple).

The product also contains inactive ingredients—dicalcium phosphate, microcrystalline cellulose, and croscarmellose—which serve as binders and fillers in the tablet. Vitamin B6 is the ingredient with the most established clinical roles: it's effective for sideroblastic anemia (a blood disorder) and vitamin B6 deficiency itself, helpful for a rare seizure condition called pyridoxine-dependent epilepsy, and likely effective for high homocysteine levels (a cardiovascular risk marker).

It's also possibly effective for pregnancy-related nausea. The other ingredients have limited or unclear evidence for their listed uses.

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: aid in fat metabolism and weight loss management.
  • We looked for evidence on: Obesity, Metabolic syndrome, Hyperlipidemia, Hypertriglyceridemia, Nonalcoholic fatty liver disease (NAFLD), body weight reduction — and 2 related terms.
  • The closest evidence on file: Apple is rated "Insufficient Reliable Evidence To Rate" for Obesity (Natural Medicines).
  • Also on file: Apple is rated "Insufficient Reliable Evidence To Rate" for Metabolic syndrome.
  • Also on file: Fucus Vesiculosus is rated "Insufficient Reliable Evidence To Rate" for Obesity, Metabolic syndrome.

Vitamin B6 is effective for sideroblastic anemia, vitamin B6 deficiency, and pyridoxine-dependent epilepsy, and likely effective for elevated homocysteine (hyperhomocysteinemia). It's possibly effective for pregnancy-induced nausea and vomiting.

For soy lecithin and dried apple cider, the evidence we hold is either insufficient or the data suggests they're likely ineffective for the conditions listed—Alzheimer disease, age-related cognitive decline, anxiety, and bipolar disorder among them. If you're taking this product for a specific health reason, check with your pharmacist about what the research actually supports.

The evidence, ingredient by ingredient Vitamin B6 Lecithin Fucus Vesiculosus Apple

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 4 of the 4 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 4 of 4.
  • General safety write-ups exist for 4 of 4.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Vitamin B6 is generally well tolerated at doses under 100 mg daily. Common side effects include abdominal pain, headache, heartburn, nausea, and loss of appetite.

The main caution: high doses over time can damage nerves (a condition called sensory neuropathy). Doses above 1,000 mg daily or cumulative amounts of 1,000 grams or more carry the highest risk, but neuropathy can occur even at lower doses.

Normal dietary amounts and standard supplement doses are considered safe, but avoid high doses unless a clinician advises it. Soy lecithin is generally well tolerated and likely safe in pregnancy and lactation.

It can cause abdominal pain, diarrhea, nausea, and allergic skin reactions in people with soy or egg allergies. Dried apple cider (as food) is safe in normal amounts, though apple seeds contain cyanide and should not be consumed in large quantities.

We don't hold pregnancy or lactation safety data for kelp.

Side effects, ingredient by ingredient Vitamin B6 Lecithin Fucus Vesiculosus Apple

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 4 matched ingredients can interact with medications — Apple, Fucus Vesiculosus, Vitamin B6.
  • The most serious interaction on file is rated Major.
  • Some involve high-stakes drug classes: anticoagulant / antiplatelet drugs; diabetes medications; lithium; Parkinson's medications.
  • For scale: 1,126 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 KLVB-6, double-check if you take any OATP substrates (fexofenadine, atenolol, aliskiren)—dried apple cider significantly reduces their blood levels. Also check blood pressure drugs, diabetes medications, lithium, heart rhythm drugs like amiodarone, or seizure medications (phenobarbital, phenytoin).

If you take levodopa without carbidopa, that's a concern with the B6. No interactions are documented for soy lecithin, and we hold no data for kelp.

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 worth a closer look if you take any blood pressure medications, heart rhythm drugs, seizure medications, diabetes drugs, or certain antihistamines and blood pressure pills like atenolol or fexofenadine—the dried apple cider and vitamin B6 can interfere with how they work. Talk to your pharmacist before you start, especially if you're on prescription medications.

If you're pregnant, considering pregnancy, or breastfeeding, check with your doctor about whether this product is right for you.

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

Assessment coverage: 4 of 4 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Oct 23, 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

At a glance

General information

Key facts about KLVB-6, straight from the product label.

Brand Viva Vitamins
Barcode (UPC) 726899895748
Net contents 100 Tablet(s)
Market status On market
Date entered into DSLD Oct 23, 2020
DSLD ID 237059
Product type Other Combinations
Supplement form Tablet Or Pill
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Dairy Free, Sugar Free
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 KLVB-6 by Viva Vitamins, 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:
1 Tablet(s)
Maximum serving Sizes:
1 Tablet(s)
Servings per container
33
UPC/BARCODE
726899895748
IngredientAmount% DV
Vitamin B650 mg2500%
Soy Lecithin1200 mg--
Kelp150 mg--
dried Apple Cider240 mg--

Other ingredients: Dicalcium Phosphate, Microcrystalline Cellulose, Croscarmellose

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.
Suggested/Recommended/Usage/Directions

Directions: As a dietary supplement, adults take one tablet with each meal for a total of three daily, or as directed by a health professional.

Formula

This product contains fur power-packed ingredients that, when taken together may help aid in fat metabolism and weight loss management.

Kelp, Lecithin, Vinegar, B-6

Storage

Store in a cool, dry place and away from direct light.

Precautions

Keep out of the reach of children.

Do not use if safety seal under cap is broken or missing.

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.

Formulation

May assist with fat loss

Free of: Gluten, milk, salt, sugar, yeast, wheat, corn, egg, fish products, artificial coloring, flavoring, or preservatives.

Made in the USA

Non-GMO

Manufactured in an NSF - GMP Certified facility

General Statements

We always use the highest quality ingredients Premium formulas

For more information, visit www.VivaVitamins.com

In God we trust

FDA Statement of Identity

Dietary Supplement

Brand IP Statement(s)

2018 Manufactured exclusively for Viva Vitamins

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

See for yourself

KLVB-6 by Viva Vitamins label

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

KLVB-6 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 KLVB-6 by Viva Vitamins

These are the 4 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 Tablet(s) Dosage formTablet Or Pill Servings per container33 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.

Vitamin B6

Interacts with
210 drugs
50 mg per serving Form: Pyridoxine Hydrochloride

Vitamin B6 (pyridoxine) is an essential water-soluble vitamin that your body needs for metabolism, brain function, and making red blood cells. It is b...

Vitamin B6 monograph & interactions

Soy Lecithin

No known
interactions
1200 mg per serving

Lecithin is a natural fatty substance found in foods and made by the body that is widely used as a supplement and food emulsifier. Evidence supporting...

Soy Lecithin monograph & interactions

Kelp

Interacts with
891 drugs
150 mg per serving

Fucus vesiculosus (bladderwrack) is a brown seaweed rich in iodine that has been used traditionally for thyroid concerns, weight, and skin. There is l...

Kelp monograph & interactions

Dried Apple Cider

Interacts with
300 drugs
240 mg per serving

Apples are a nutritious whole food that provides fiber, vitamins, and antioxidant plant compounds, and eating them regularly fits well into a healthy...

Dried Apple Cider monograph & interactions

Other (inactive) ingredients: Dicalcium Phosphate, Microcrystalline Cellulose, Croscarmellose. These complete the product’s ingredient list but are not active constituents.

Interaction report

KLVB-6 by Viva Vitamins Drug Interactions

Want to check YOUR meds against KLVB-6?

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
1,125Drugs
47 Major 307 Moderate 771 Minor

Ingredients driving the most interactions

Kelp 891
dried Apple Cider 300
Vitamin B6 210

Individual Drug Interactions

The ingredients in KLVB-6 interact with 1,125 drugs. Click any drug to see the details.

3 of the 4 ingredients in KLVB-6 interact with drugs. Each result below shows which ingredient is responsible. Kelp dried Apple Cider Vitamin B6

Each ingredient & the kinds of drugs it affects

For each ingredient in KLVB-6 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.

Kelp9 drug types · 891 drugs

Amiodarone (Cordarone)

Theoretically, combining Fucus vesiculosus with amiodarone might cause excessively high iodine levels.
Fucus vesiculosus contains high concentrations of iodine. Amiodarone contains 37.3% iodine and can increase iodine levels. Concomitant use might increase the risk of having excessive iodine levels and adversely affecting thyroid function. Monitor thyroid function.

Likelihood Probable Evidence D
Antithyroid Drugs

Due to its iodine content, Fucus vesiculosus might alter the effects of antithyroid drugs.
Fucus vesiculosus contains high concentrations of iodine. Iodine in high doses has been reported to cause both hyperthyroidism and hypothyroidism, depending on the individual's past medical history. Taking Fucus vesiculosus while using antithyroid drugs could alter the effects of the antithyroid drugs.

Likelihood Possible Evidence D
Lithium

Concomitant use of Fucus vesiculosus and lithium has resulted in hyperthyroidism.
There is a case of hyperthyroidism occurring in a patient taking Fucus vesiculosus and lithium. Monitor thyroid hormones closely in patients taking lithium and Fucus vesiculosus concomitantly.

Likelihood Possible Evidence D
Thyroid Hormone

Due to its iodine content, Fucus vesiculosus might alter the effects of thyroid hormone.
Fucus vesiculosus contains high concentrations of iodine. Iodine in high doses has been reported to cause both hyperthyroidism and hypothyroidism, depending on the individual's past medical history. Taking Fucus vesiculosus while using thyroid hormone could alter the effects of thyroid hormone.

Likelihood Possible Evidence D
Anticoagulant/Antiplatelet Drugs

Theoretically, taking Fucus vesiculosus with antiplatelet or anticoagulant drugs might increase the risk of bruising and bleeding.
In vitro evidence suggests that a constituent of Fucus vesiculosus, known as fucoidan, has anticoagulant effects. However, in clinical research, fucoidan does not seem to have significant anticoagulant activity when taken orally, possibly due to poor absorption.

Likelihood Unlikely Evidence D
Cytochrome P450 2C8 (Cyp2C8) Substrates

Theoretically, concomitant use of Fucus vesiculosus with CYP2C8 substrates might increase the risk for adverse effects.
In vitro research shows that fucoidan, a constituent of Fucus vesiculosus, inhibits CYP2C8. This interaction has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2C9 (Cyp2C9) Substrates

Theoretically, concomitant use of Fucus vesiculosus with CYP2C9 substrates might increase the risk for adverse effects.
In vitro research shows that fucoidan, a constituent of Fucus vesiculosus, inhibits CYP2C9. This interaction has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 2D6 (Cyp2D6) Substrates

Theoretically, concomitant use of Fucus vesiculosus with CYP2D6 substrates might alter the effects of these substrates.
In vitro research shows that fucoidan, a constituent of Fucus vesiculosus, both inhibits and induces CYP2D6. This interaction has not been reported in humans.

Likelihood Possible Evidence D
Cytochrome P450 3A4 (Cyp3A4) Substrates

Theoretically, concomitant use of Fucus vesiculosus with CYP3A4 substrates might increase the risk for adverse effects.
In vitro research shows that fucoidan, a constituent of Fucus vesiculosus, inhibits CYP3A4. This interaction has not been reported in humans.

Likelihood Possible Evidence D
Kelp full monograph & interactions

dried Apple Cider7 drug types · 300 drugs

Organic Anion-Transporting Polypeptide Substrates (Oatp)

Concomitant consumption of apple juice can significantly decrease oral absorption and blood levels of OATP substrates.
Research shows that consuming apple juice inhibits OATP, which reduces bioavailability of oral drugs that are substrates of OATP. Fexofenadine, atenolol, and aliskiren are substrates of OATP. Clinical research shows that coadministration of apple juice decreases bioavailability of fexofenadine by up to 78%, aliskiren by 63%, and atenolol by up to 82%. These effects appear to increase with larger quantities of apple juice. It is thought that apple juice might affect OATP for only a short time. Therefore, separating drug administration and consumption of apple juice by at least 4 hours might avoid this interaction.

Likelihood Likely Evidence B
Aliskiren (Tekturna, Rasilez)

Concomitant consumption of apple juice can significantly decrease oral absorption and blood levels of aliskiren.
Pharmacokinetic research shows that coadministration of apple juice 200 mL along with aliskiren 150 mg decreases the bioavailability of aliskiren by 63%. Apple juice seems to inhibit organic anion transporting polypeptide (OATP), which is involved in drug uptake in the gut, liver, and kidney. It is thought that apple juice might affect OATP for only a short time. Therefore, separating drug administration and consumption of apple juice by at least 4 hours might avoid this interaction.

Likelihood Probable Evidence B
Antidiabetes Drugs

Theoretically, consuming apple juice with antidiabetes drugs might interfere with blood glucose control.
Clinical research suggests that consuming apples or drinking apple juice can raise blood glucose levels, with the effects of drinking apple juice being more significant than consuming apples.

Likelihood Possible Evidence D
Antihypertensive Drugs

Consuming apple juice with antihypertensive drugs might interfere with blood pressure control.
Some clinical evidence suggests that consuming apple and cherry juice can increase blood pressure in elderly patients.

Likelihood Probable Evidence B
Atenolol (Tenormin)

Concomitant consumption of apple juice can significantly decrease oral absorption and blood levels of atenolol.
Pharmacokinetic research shows that coadministration of apple juice 600-1200 mL decreases levels of atenolol by 58% to 82% in a dose-dependent manner. Apple juice seems to inhibit organic anion transporting polypeptide (OATP), which is involved in drug uptake in the gut, liver, and kidney. It is thought that apple juice might affect OATP for only a short time. Therefore, separating drug administration and consumption of apple juice by at least 4 hours might avoid this interaction.

Likelihood Probable Evidence B
Fexofenadine (Allegra)

Concomitant consumption of apple juice can significantly decrease oral absorption and blood levels of fexofenadine.
Pharmacokinetic research shows that coadministration of apple juice 400-1200 mL along with fexofenadine 60-120 mg decreases bioavailability of fexofenadine by up to 78%. Coadministration with smaller quantities of apple juice (150 mL or less) does not appear to affect the bioavailability of fexofenadine. Apple juice seems to inhibit organic anion transporting polypeptide (OATP), which is involved in drug uptake in the gut, liver, and kidney. It is thought that apple juice might affect OATP for only a short time. Therefore, separating drug administration and consumption of apple juice by at least 4 hours might avoid this interaction.

Likelihood Likely Evidence B
Lithium

There is some concern that concomitant consumption of apple juice might decrease oral absorption and blood levels of lithium.
In one case report, a patient had an undetectable serum lithium level when lithium citrate was administered with apple juice. When lithium was administered with an alternative beverage, the lithium level became detectable and the patient demonstrated clinical improvement.

Likelihood Possible Evidence D
dried Apple Cider full monograph & interactions

Vitamin B65 drug types · 210 drugs

Amiodarone (Cordarone)

Theoretically, vitamin B6 might increase the photosensitivity caused by amiodarone.
Despite initial case reports suggesting that pyridoxine may have a protective effect against amiodarone-induced photosensitivity, preliminary clinical research suggests that pyridoxine may actually exacerbate this adverse effect.

Likelihood Possible Evidence B
Antihypertensive Drugs

Theoretically, vitamin B6 may have additive effects when used with antihypertensive drugs.
Research in hypertensive rats shows that vitamin B6 can decrease systolic blood pressure. Similarly, clinical research in patients with hypertension shows that taking high doses of vitamin B6 may reduce systolic and diastolic blood pressure, possibly by reducing plasma levels of epinephrine and norepinephrine.

Likelihood Possible Evidence B
Phenobarbital (Luminal)

High doses of vitamin B6 may reduce the levels and clinical effects of phenobarbital.
Preliminary clinical evidence suggests that vitamin B6 200 mg daily can reduce plasma levels of phenobarbital, possibly by increasing metabolism. It is not known whether lower doses have any effect. Advise people taking phenobarbital to avoid high doses of vitamin B6.

Likelihood Possible Evidence D
Phenytoin (Dilantin)

High doses of vitamin B6 may reduce the levels and clinical effects of phenytoin.
Preliminary clinical evidence suggests that vitamin B6 200 mg daily can reduce plasma levels of phenytoin, possibly by increasing metabolism. It is not known whether lower doses have any effect. Advise people taking phenytoin to avoid high doses of vitamin B6.

Likelihood Possible Evidence D
Levodopa

Vitamin B6 may increase the metabolism of levodopa when taken alone, but not when taken in conjunction with carbidopa.
Vitamin B6 (pyridoxine) enhances the metabolism of levodopa, reducing its clinical effects. However, this interaction does not occur when carbidopa is used concurrently with levodopa (Sinemet). Therefore, it is not likely to be a problem in most people.

Likelihood Unlikely Evidence D
Vitamin B6 full monograph & interactions
The maker

Brand information

Manufacturer and brand details for KLVB-6, from the product label.

Viva Vitamins

Name
Viva Vitamins
Web Address
www.VivaVitamins.com
Pharmacist Counseling Corner

KLVB-6 by Viva Vitamins: Common Questions

Does KLVB-6 by Viva Vitamins interact with any medications?
Yes. Based on its ingredients, KLVB-6 has a known interaction with 1,125 medications, including 47 rated major. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
KLVB-6 contains 4 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.
Can I take this while pregnant?
Vitamin B6 is sometimes used for pregnancy-related nausea, but only under a doctor's guidance. Soy lecithin is likely safe in pregnancy, and apples as food are safe—but we don't have enough data on the other ingredients or on supplements at the doses in this product. Talk with your doctor or pharmacist about whether it's right for you.
Is vitamin B6 safe at the dose in this product?
The product facts don't specify the exact B6 dose, so I can't say for certain. What we know: B6 under 100 mg daily is generally well tolerated, but high doses over time can damage nerves. Check your label, and if it's high, ask your pharmacist whether it's right for your situation.
What is soy lecithin doing in here?
Soy lecithin is an ingredient from soy. The product lists it for uses like Alzheimer disease and cognitive decline, but the evidence we hold says there's either not enough data or it's likely ineffective for those purposes. It's generally well tolerated, though people with soy allergies should avoid it.
I'm allergic to soy. Should I avoid this?
Yes. Soy lecithin comes from soy, and the facts note it can cause allergic skin reactions in people with soy allergies. There are other B-vitamin products out there without it—ask your pharmacist.
What are the most common side effects?
From vitamin B6, the most common are abdominal pain, headache, heartburn, nausea, and loss of appetite. Soy lecithin can cause abdominal pain, diarrhea, and nausea. Dried apple cider may cause bloating and gas. Most people tolerate them, but if you notice any of these, tell your pharmacist.
Does this help with energy or fatigue?
The product facts don't list fatigue or energy as a use we have evidence for. Vitamin B6 is effective for B6 deficiency—if that's your situation, it can help restore normal energy—but we don't have data on this product for general fatigue. Ask your pharmacist whether testing for deficiency makes sense for you.

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.

KLVB-6 label
Go deeper

The Full Monographs Behind KLVB-6’s Ingredients

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

Herb & supplement monograph

Vitamin B6

Interacts with 210 drugs

Vitamin B6 (pyridoxine) is an essential water-soluble vitamin that your body needs for metabolism, brain function, and making red blood cells. It is best known for helping with pregnancy-rel...

Read the full Vitamin B6 monograph → Herb & supplement monograph

Lecithin

Lecithin is a natural fatty substance found in foods and made by the body that is widely used as a supplement and food emulsifier. Evidence supporting most of its health claims is limited, t...

Read the full Lecithin monograph → Herb & supplement monograph

Fucus Vesiculosus

Interacts with 891 drugs

Fucus vesiculosus (bladderwrack) is a brown seaweed rich in iodine that has been used traditionally for thyroid concerns, weight, and skin. There is little solid human evidence to support mo...

Read the full Fucus Vesiculosus monograph → Herb & supplement monograph

Apple

Interacts with 300 drugs

Apples are a nutritious whole food that provides fiber, vitamins, and antioxidant plant compounds, and eating them regularly fits well into a healthy diet. While research suggests apples may...

Read the full Apple monograph →
Sources

Sources & How We Checked

KLVB-6'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 72 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.

Vitamin B6 32 references
  1. Hansten PD, Horn JR. Drug Interactions Analysis and Management. Vancouver, WA: Applied Therapeutics Inc., 1997 and updates.
  2. Yates AA, Schlicker SA, Suitor CW. Dietary reference intakes: The new basis for recommendations for calcium and related nutrients, B vitamins, and choline. J Am Diet Assoc 1998;98:699-706. PubMed
  3. Geerling BJ, Dagnelie PC, Badart-Smook A, et al. Diet as a risk factor for the development of ulcerative colitis. Am J Gastroenterol 2000;95:1008-13. PubMed
  4. South M. Neonatal seizures after pyridoxine use -- reply. Lancet 1999;354:2083. PubMed
  5. Food and Nutrition Board, Institute of Medicine. Dietary Reference Intakes for Thiamin, Riboflavin, Niacin, Vitamin B6, Folate, Vitamin B12, Pantothenic Acid, Biotin, and Choline (2000). Washington, DC: National Academy Press, 2000. Available at: http://b
  6. Baxter P, Aicardi J. Neonatal seizures after pyridoxine use. Lancet 1999;354:2082-3. PubMed
  7. Bendich A, Cohen M. Vitamin B6 safety issues. Ann N Y Acad Sci 1990;585:321-30.
  8. Schaumburg H, Kaplan J, Windebank A. Sensory neuropathy from pyridoxine abuse. A new megavitamin syndrome. N Engl J Med 1983;309:445-8. PubMed
  9. Gordon N. Pyridoxine dependency: an update. Dev Med Child Neurol 1997;39:63-5. PubMed
  10. Lewis PJ. Pain in the hand and wrist. Pyridoxine supplements may help patients with carpal tunnel syndrome. BMJ 1995;310:1534. PubMed
  11. Kaufman G. Pyridoxine against amiodarone-induced photosensitivity (letter). Lancet 1984;1:51-2. PubMed
  12. Mulrow JP, Mulrow CD, McKenna WJ. Pyridoxine and amiodarone-induced photosensitivity. Ann Intern Med 1985;103:68-9. PubMed
  13. Kawada A, Kashima A, Shiraishi H, et al. Pyridoxine-induced photosensitivity and hypophosphatasia. Dermatology 2000;201:356-60.. PubMed
  14. Vasile A, Goldberg R, Kornberg B. Pyridoxine toxicity: report of a case. J Am Osteopath Assoc 1984;83:790-1. DOI
  15. Hansson O, Sillanpaa M. Pyridoxine and serum concentration of phenytoin and phenobarbitone. Lancet 1976;1:256. DOI
  16. Jansen T, Romiti R, Kreuter A, Altmeyer P. Rosacea fulminans triggered by high-dose vitamins B6 and B12. J Eur Acad Dermatol Venereol 2001;15:484-5..
  17. Chittumma P, Kaewkiattikun K, Wiriyasiriwach B. Comparison of the effectiveness of ginger and vitamin B6 for treatment of nausea and vomiting in early pregnancy: a randomized double-blind controlled trial. J Med Assoc Thai 2007;90:15-20.
  18. Hatzitolios, A., Iliadis, F., Katsiki, N., and Baltatzi, M. Is the anti-hypertensive effect of dietary supplements via aldehydes reduction evidence based? A systematic review. Clin Exp.Hypertens. 2008;30(7):628-639. PubMed
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Lecithin 9 references
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Fucus Vesiculosus 15 references
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Apple 16 references
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DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.

© 2021 Therapeutic Research Center, LLC

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