Interactions on record — worth a quick check against your medications. Based on 5 of 9 ingredients. Check your meds →
Dietary supplement

BCAA Optima Rainbow Ingredients & Drug Interactions

by NutraKey

BCAA Optima Rainbow label
See full label image
Powder Category: Other Combinations
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 23, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking BCAA Optima Rainbow 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: Moderate

BCAA Optima Rainbow is a dietary supplement by NutraKey with 9 active ingredients. Its ingredients are commonly taken for morning sickness in pregnancy, premenstrual syndrome (pms), preventing or treating b6 deficiency.Based on those ingredients, 297 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Vitamin B6, Sodium, Taurine Electrolyte Blend. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

Jump to a section

Check Your Meds Against BCAA Optima Rainbow by NutraKey

Ask about any prescription or over-the-counter medication and we check it for interactions with BCAA Optima Rainbow by NutraKey — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
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HelloPharmacist Scorecard of BCAA Optima Rainbow by NutraKey

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 12, 2026

What’s inside

Partial disclosure
Ingredient Transparency · database check
Partial

Most active ingredients list an amount, but at least one is hidden in a blend or missing.

Why this rating?
  • The label discloses an exact amount for 8 of its 11 active ingredients.
  • “BCAA Recovery Matrix” is a proprietary blend — the label gives one combined amount (12,000 mg) without saying how much of each component you get.
  • “Taurine Electrolyte Blend” is a proprietary blend — the label gives one combined amount (1,900 mg) without saying how much of each component you get.

BCAA Optima Rainbow is an 11-ingredient powder built around three branched-chain amino acids — L-valine, L-leucine, and L-isoleucine — plus supporting amino acids and electrolytes. It includes vitamin B6 for nervous system and immune function, potassium and sodium for electrolyte balance, taurine for cardiovascular and metabolic support, and glutamine to help with muscle recovery and gut health.

The rest of the formula is made up of inactive ingredients: citric acid, malic acid, natural and artificial flavors, and sucralose for taste and texture.

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: muscle recovery and strength development.
  • We looked for evidence on: Athletic performance, Exercise-induced muscle damage, Exercise-induced muscle soreness, Fatigue, Muscle protein synthesis, Muscle endurance — and 1 related terms.
  • The closest evidence on file: Glutamine is rated "Possibly Ineffective" for Athletic performance (Natural Medicines).
  • Also on file: Glutamine is rated "Insufficient Reliable Evidence To Rate" for Exercise-induced muscle damage.
  • Also on file: Taurine is rated "Insufficient Reliable Evidence To Rate" for Athletic performance, Exercise-induced muscle soreness, Fatigue.

The evidence on this product's amino acid blend itself isn't established in our data. However, its individual ingredients show some backing.

Glutamine is effective for sickle cell disease and possibly effective for HIV/AIDS-related wasting and recovery from surgery or critical illness. Taurine is possibly effective for hepatitis and congestive heart failure, though possibly ineffective for weight loss.

Vitamin B6 is effective for sideroblastic anemia and vitamin B6 deficiency, likely effective for high homocysteine, and possibly effective for pregnancy-related nausea. Sodium and potassium support electrolyte function, though evidence for their specific therapeutic uses in this product is either limited or not rated in our data.

The evidence, ingredient by ingredient Vitamin B6 Potassium Sodium Glutamine Taurine

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 5 of the 5 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 5 of 5.
  • General safety write-ups exist for 5 of 5.
  • 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, though it can cause headache, nausea, heartburn, and abdominal pain. At high doses over time, it may damage nerves (sensory neuropathy).

Potassium and sodium are well tolerated at normal dietary amounts but can cause serious heart rhythm problems and confusion if they build up to dangerous levels. Taurine is generally well tolerated short-term in healthy adults, most commonly causing constipation, diarrhea, or indigestion; long-term safety is less certain.

Glutamine is generally well tolerated but may cause gas, bloating, nausea, diarrhea, or headache. All ingredients are likely safe in pregnancy, though vitamin B6 carries one rating of possibly unsafe — discuss with your obstetrician before use during pregnancy.

For breastfeeding, glutamine and taurine have limited safety data; check with your doctor before supplementing.

Side effects, ingredient by ingredient Vitamin B6 Potassium Sodium Glutamine Taurine

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 5 of the 5 matched ingredients can interact with medications — Potassium, Glutamine, Vitamin B6, Taurine, Sodium.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: seizure medications; lithium; Parkinson's medications.
  • For scale: 297 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.

Check your exact medications if you take blood pressure drugs (antihypertensives), blood thinners or heart rhythm drugs like amiodarone, seizure medications (phenobarbital, phenytoin, or other anticonvulsants), potassium-sparing diuretics, ACE inhibitors, ARBs, lithium, corticosteroids, or any sodium-containing medications. Altogether, these interactions span 295 individual medications.

Use the search tool on this page to look up each one before you start.

Check your own medication Run your meds through the checker above

The bottom line

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

This BCAA product is designed for athletes and active people looking to support muscle recovery and electrolyte balance. If you take blood pressure medications, seizure drugs, lithium, or potassium-sparing diuretics, you need to check your exact medications before starting — the potassium and sodium content, plus vitamin B6 at potentially high doses, may affect how these drugs work.

Pregnant or breastfeeding? Talk to your pharmacist or doctor first.

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

Assessment coverage: 7 of 11 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Jun 22, 2023.

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 BCAA Optima Rainbow, straight from the product label.

Brand NutraKey
Barcode (UPC) 851090006980
Net contents 435 Gram(s); 15.5 Ounce(s)
Market status On market
Date entered into DSLD Jun 22, 2023
DSLD ID 287385
Product type Other Combinations
Supplement form Powder
Dietary claims / uses Nutrient, All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten 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 BCAA Optima Rainbow by NutraKey, 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:
14.5 Gram(s)
Maximum serving Sizes:
14.5 Gram(s)
Servings per container
30
UPC/BARCODE
851090006980
IngredientAmount% DV
Vitamin B61 mg50%
Potassium90 mg3%
Total Fat0 Gram(s)--
Potassium Chloride0 NP--
Taurine0 NP--
Sodium Chloride0 NP--
Calories0 Calories--
Total Carbohydrate0 Gram(s)--
L-Valine1750 mg--
L-Leucine3500 mg--
L-Isoleucine1750 mg--
L-Glutamine2600 mg--
Sugars0 Gram(s)--
Sodium80 Gram(s)3%
BCAA Recovery Matrix12000 mg--
Citruline Malate500 mg--
Taurine Electrolyte Blend1900 mg--

Other ingredients: Citric Acid, Malic Acid, Natural and Artificial flavors, Sucralose

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.
Formulation

Stamina Intensity Delivering aminos to working muscles Recovery Matrix Speed muscle recovery & growth Increase strength & endurance Reduce muscle fatigue Preserve lean muscle

Train Sustain Replenish Recover

Encourage growth through increased muscle protein synthesis Decrease fatigue and improve endurance during training Provide essential nutrients to combat muscle breakdown Endurance strength development with resistance training Recover faster Grow Recovery aid

0 calories 0 sugar 0 fat 0 carbs

Recovery complex

Non GMO Gluten free Dye free BPA free Paraben free

Replenish Muscle

Formula

BCAAs and the body BCAA Optima is fuel for recovery. Providing a mix of essential branched chain amino acids plus added electrolytes, BCAA Optima is designed to rehydrate, refuel, and rebuild. Just one scoop after a workout can help jumpstart your body's recovery process and provide the essential nutrients for building lean, healthy muscle.

BCAAs support muscle growth and prevent breakdown BCAAs are the building blocks of muscle protein and are metabolized directly in muscle tissue facilitating growth & recovery. Supplementing with BCAAs prevents the process of muscle breakdown known as catabolism during periods of intense strain. Together these two effects contribute to sustained muscle growth, allowing you to train harder and recover faster.

Rainbow natural and artificial flavors New improved flavor

7 g ultra pure BCAAs 2.6 g Glutamine 1.9 g Taurine electrolytes

FDA Statement of Identity

Dietary Supplement

General Statements

Follow for free giveaways nutrakeyhealth.com

Suggested/Recommended/Usage/Directions

When to take With meals Feed your muscles by mixing 1 scoop with 8-12 oz. of water during breakfast, lunch, or dinner. Before workout Fight fatigue during training by mixing 1 scoop with 8-12 oz. of water before your workout. After workout Encourage recovery after training by mixing 1 scoop with 8-12 oz. of water within 1 hour after workout. Recommended Use Casual - light activity 1 scoop after a workout 1 serving per day Lifestyler - weekly workouts 1 scoop after workout & before bed 2 servings per day Athlete - Daily workout 1 scoop with a meal. 1 scoop before & after workout 3 servings per day Goes well with: Take BCAA Optima with L-Carnitine 3000 for a metabolism boost during training. For best results: Take BCAA Optima with ISO Optima protein to supplement growth and recovery.

Precautions

Warning: Pregnant or lactating women, diabetics, hypoglycemics, and people with known medical conditions and/or taking drugs should consult with a licensed physician and/or pharmacist prior to taking dietary supplements.

Do not use if seal is broken.

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.

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

See for yourself

BCAA Optima Rainbow by NutraKey label

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

BCAA Optima Rainbow 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 BCAA Optima Rainbow by NutraKey

These are the 9 active ingredients this product is made of. Select any to open its full monograph.

Serving size14.5 Gram(s) Dosage formPowder 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.

Vitamin B6

Interacts with
210 drugs
1 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

Potassium

Interacts with
62 drugs
90 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

Sodium

Interacts with
205 drugs
80 Gram(s) per serving

Sodium is an essential mineral and electrolyte your body needs to balance fluids, support nerves, and help muscles work. Most people in modern diets g...

Sodium monograph & interactions

BCAA Recovery Matrix

12000 mg per serving
  • › L-Valine
  • › L-Leucine
  • › L-Isoleucine
  • › L-Glutamine
  • › Citruline Malate

Taurine Electrolyte Blend

Interacts with
173 drugs
1900 mg per serving

Taurine is an amino acid your body makes naturally and that you also get from animal foods. It is widely used in energy drinks and sports supplements,...

Taurine Electrolyte Blend monograph & interactions

Other (inactive) ingredients: Citric Acid, Malic Acid, Natural and Artificial flavors, Sucralose. These complete the product’s ingredient list but are not active constituents.

Interaction report

BCAA Optima Rainbow by NutraKey Drug Interactions

Want to check YOUR meds against BCAA Optima Rainbow?

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
297Drugs
292 Moderate 5 Minor

Ingredients driving the most interactions

Vitamin B6 210
Sodium 205
Taurine Electrolyte Blend 173
Potassium 62
L-Glutamine 50

Individual Drug Interactions

The ingredients in BCAA Optima Rainbow interact with 297 drugs. Click any drug to see the details.

5 of the 9 ingredients in BCAA Optima Rainbow interact with drugs. Each result below shows which ingredient is responsible. Vitamin B6 Sodium Taurine Electrolyte Blend Potassium L-Glutamine

Each ingredient & the kinds of drugs it affects

For each ingredient in BCAA Optima Rainbow 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.

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

Sodium7 drug types · 205 drugs

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.

Likelihood Probable Evidence A
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.

Likelihood Possible Evidence D
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.

Likelihood Probable Evidence C
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.

Likelihood Probable Evidence B
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.

Likelihood Possible Evidence D
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.

Likelihood Possible Evidence D
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.

Likelihood Probable Evidence C
Sodium full monograph & interactions

Taurine Electrolyte Blend2 drug types · 173 drugs

Antihypertensive Drugs

Theoretically, taurine might increase the risk of hypotension when taken with antihypertensive drugs.
Some clinical evidence suggests that taurine can reduce both systolic and diastolic blood pressure.

Likelihood Probable Evidence D
Lithium

Theoretically, taurine might reduce excretion and increase plasma levels of lithium.
Taurine is thought to have diuretic properties, which might reduce the excretion of lithium.

Likelihood Probable Evidence D
Taurine Electrolyte Blend 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

L-Glutamine1 drug type · 50 drugs

Anticonvulsants

Theoretically, glutamine might antagonize the effects of anticonvulsant medications.
Glutamine is metabolized to the excitatory neurotransmitter glutamate. Glutamate might have antagonistic effects with anticonvulsant drugs. However, this interaction has not yet been reported in humans.

Likelihood Possible Evidence D
L-Glutamine full monograph & interactions
The maker

Brand information

Manufacturer and brand details for BCAA Optima Rainbow, from the product label.

NutraKey

See all NutraKey products
Name
NutraKey USA
Street Address
975 Bennett Drive
City
Longwood
State
FL
ZipCode
32750
Web Address
nutrakeyhealth.com
Pharmacist Counseling Corner

BCAA Optima Rainbow by NutraKey: Common Questions

Does BCAA Optima Rainbow by NutraKey interact with any medications?
Yes. Based on its ingredients, BCAA Optima Rainbow has a known interaction with 297 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
BCAA Optima Rainbow contains 9 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.
Does this have fillers or artificial ingredients?
The inactive ingredients are citric acid, malic acid, natural and artificial flavors, and sucralose. These are excipients used for taste and texture, not therapeutic agents.
Is it safe to take during pregnancy?
Most ingredients are likely safe — potassium, sodium, taurine, and glutamine carry that rating. Vitamin B6 has mixed data: one rating says likely safe, another says possibly unsafe. Talk with your obstetrician before starting any supplement in pregnancy.
Can I take this if I'm breastfeeding?
Potassium, sodium, and vitamin B6 are likely safe during breastfeeding. Taurine occurs naturally in breast milk but supplement safety isn't well studied, and glutamine has limited safety data. Check with your doctor or pharmacist for personalized advice.
Will this help me build muscle or recover faster?
The evidence supporting the branched-chain amino acid blend itself isn't established in our data. Glutamine is possibly effective for postoperative recovery, which may be relevant if you're recovering from surgery, but we don't have effectiveness ratings for the other amino acids in this formula.
What does taurine do in this product?
Taurine supports cardiovascular and metabolic function. It's possibly effective for congestive heart failure and hepatitis, though the evidence is mixed. It's generally well tolerated short-term in healthy adults.
Can I take this if I have high blood pressure?
The sodium and potassium in this product, plus vitamin B6, can interact with blood pressure medications. You'll need to check your specific drug with the tool on this page — and talk with your pharmacist or doctor before starting.

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.

BCAA Optima Rainbow label
Go deeper

The Full Monographs Behind BCAA Optima Rainbow’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

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

Sodium

Interacts with 205 drugs

Sodium 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 monograph

Glutamine

Interacts with 50 drugs

Glutamine is the most abundant amino acid in the body and is usually made in your muscles. A prescription form is FDA-approved to help reduce sickle cell disease complications, but for most...

Read the full Glutamine monograph → Herb & supplement monograph

Taurine

Interacts with 173 drugs

Taurine is an amino acid your body makes naturally and that you also get from animal foods. It is widely used in energy drinks and sports supplements, and short-term use appears generally sa...

Read the full Taurine monograph →
Sources

Sources & How We Checked

BCAA Optima Rainbow'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 114 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.
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Potassium 12 references
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Taurine 21 references
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Sodium 38 references
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Glutamine 11 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.

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