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Dietary supplement

Astaxanthin 4 mg Ingredients & Drug Interactions

by Viva Naturals

Astaxanthin 4 mg label
See full label image
Softgel Capsule Category: Non-nutrient/non-botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 16, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Astaxanthin 4 mg against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.

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

The interaction bottom line Most serious interaction: Moderate

Astaxanthin 4 mg is a dietary supplement by Viva Naturals with 1 active ingredient. Its ingredients are commonly taken for antioxidant support, skin health and aging, eye health.Based on those ingredients, 671 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Astaxanthin. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Astaxanthin 4 mg by Viva Naturals

Ask about any prescription or over-the-counter medication and we check it for interactions with Astaxanthin 4 mg by Viva Naturals — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Astaxanthin 4 mg by Viva Naturals

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 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

This softgel contains a single active ingredient: astaxanthin, a carotenoid (a pigment from plants) at 4 mg per capsule. The softgel is made with extra virgin olive oil, safflower oil, and alpha-tocopherol (vitamin E) as inactive ingredients — these help your body absorb the astaxanthin and keep the product stable.

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 — see Astaxanthin's own graded uses on its monograph.

Why this rating?
  • The label markets this product for: firm healthy skin immune health antioxidant protection.
  • We looked for evidence on: Aging skin, Sunburn, skin elasticity, oxidative stress, photoaging, skin barrier function.
  • The closest evidence on file: Astaxanthin is rated "Insufficient Reliable Evidence To Rate" for Aging skin (Natural Medicines).
  • Also on file: Astaxanthin is rated "Insufficient Reliable Evidence To Rate" for Sunburn.

The evidence we hold on astaxanthin's effectiveness is limited. For the uses listed in this product's data — age-related cognitive decline, macular degeneration (AMD), skin aging, Alzheimer's disease, athletic performance, and carpal tunnel syndrome — there is insufficient reliable evidence to rate whether astaxanthin works.

That doesn't mean it doesn't; it means studies to date haven't established it well enough for us to say.

The evidence, ingredient by ingredient Astaxanthin

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 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Astaxanthin is generally well tolerated in studies, but long-term safety data are limited. The most common side effects from oral astaxanthin are abdominal pain, diarrhea, and red fecal color (the red color comes from the astaxanthin itself and is harmless).

At the dose in this product (4 mg), these effects are uncommon, though higher doses like 40 mg have caused severe stomach pain in some people. There isn't enough safety data in pregnancy or while breastfeeding, so the evidence advises against use in both.

If you're pregnant, nursing, or planning to become pregnant, talk with your pharmacist or doctor before starting this supplement.

Side effects, ingredient by ingredient Astaxanthin

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?
  • 1 of the 1 matched ingredient can interact with medications — Astaxanthin.
  • The most serious interaction on file is rated Moderate.
  • For scale: 672 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 Astaxanthin 4 mg, check whether you take any medications metabolized by CYP3A4 or CYP2B6 enzymes — both interactions carry Moderate severity. These are common drug-processing pathways, so many prescriptions fall into these categories.

Use the medication checker on this page to search your exact drugs.

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. Moderate medication interactions have been identified, and safety information is well characterized.

Astaxanthin 4 mg might appeal to you if you're interested in an antioxidant supplement, but know that its effectiveness for common uses like cognition or eye health isn't well established. Because it theoretically affects how your liver metabolizes certain medications, check your prescription drugs against the interaction tool before adding it.

If you're pregnant or breastfeeding, skip it for now and ask your pharmacist whether it's right for you.

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

Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Apr 22, 2021.

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 Astaxanthin 4 mg, straight from the product label.

Brand Viva Naturals
Barcode (UPC) X000FJ1HU9
Net contents 120 Softgel(s)
Market status On market
Date entered into DSLD Apr 22, 2021
DSLD ID 247998
Product type Non-nutrient/non-botanical
Supplement form Softgel Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Dairy 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 Astaxanthin 4 mg by Viva Naturals, 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 Softgel(s), 2 Softgel(s)
Maximum serving Sizes:
1 Softgel(s), 3 Softgel(s)
Servings per container
120
UPC/BARCODE
X000FJ1HU9
IngredientAmount% DV
Astaxanthin4 mg--

Other ingredients: extra virgin Olive Oil, Softgel Capsule, Safflower Oil, Alpha-Tocopherol

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.
Formula

Good for: Inspiring firm, healthy skin, supporting immune health, and providing antioxidant protection against age-causing free-radicals. Made with: Non-GMO astaxanthin & extra-virgin olive oil

from Microalgae

Formulation

Non GMO Gluten Free Dairy Free

Supports firm skin, immune health, antioxidant protection

Manufactured without artificial colors, non-gmo, gluten, lactose, and dairy free.

General Statements

A wealth of wellness www.vivanaturals.com

Storage

Storage Information: Store in a cool, dry place away from heat and light.

Precautions

Caution: As with any dietary supplement, consult your healthcare practitioner before using this or any product if you are pregnant, nursing, trying to conceive, taking medication or have a medical condition.

Keep out of 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.

Seals/Symbols

Third Party Certified Purity & Potency

FDA Statement of Identity

Dietary Supplement

Suggested/Recommended/Usage/Directions

Suggested use: Take 1 softgel daily with a meal. For intensive use, take 2-3 softgels daily with a meal, or as recommended by your healthcare practitioner.

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

See for yourself

Astaxanthin 4 mg by Viva Naturals label

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

Astaxanthin 4 mg label

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

View the full label (PDF)
What’s inside

The Ingredients in Astaxanthin 4 mg by Viva Naturals

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size1 Softgel(s) Dosage formSoftgel Capsule Servings per container120 Amounts shown are per serving.

Astaxanthin

Interacts with
671 drugs
4 mg per serving Form: Haematococcus pluvialis

Astaxanthin is a reddish carotenoid pigment with strong antioxidant activity in the lab, and it is widely promoted for skin, eye, heart, and exercise...

Astaxanthin monograph & interactions

Other (inactive) ingredients: Extra virgin Olive Oil, Softgel Capsule, Safflower Oil, Alpha-Tocopherol. These complete the product’s ingredient list but are not active constituents.

Interaction report

Astaxanthin 4 mg by Viva Naturals Drug Interactions

Want to check YOUR meds against Astaxanthin 4 mg?

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

 Go to the checker
671Drugs
671 Moderate

Ingredients driving the most interactions

Astaxanthin 671

Individual Drug Interactions

The ingredients in Astaxanthin 4 mg interact with 671 drugs. Click any drug to see the details.

1 of the 1 ingredient in Astaxanthin 4 mg interact with drugs. Each result below shows which ingredient is responsible. Astaxanthin

Each ingredient & the kinds of drugs it affects

For each ingredient in Astaxanthin 4 mg with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

Astaxanthin2 drug types · 671 drugs

Cytochrome P450 2B6 (Cyp2B6) Substrates

Theoretically, astaxanthin may decrease levels of drugs metabolized by CYP2B6.
In vitro research shows that astaxanthin induces cytochrome CYP2B6 enzyme activity in human hepatocytes. This effect has not been reported in humans.

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

Theoretically, astaxanthin may decrease levels of drugs metabolized by CYP3A4.
In vitro research shows that astaxanthin induces CYP3A4 enzyme activity in human hepatocytes. This effect has not been reported in humans.

Likelihood Possible Evidence D
Astaxanthin full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Astaxanthin 4 mg, from the product label.

Viva Naturals

See all Viva Naturals products
Name
Viva Naturals Inc.
Street Address
228 Park Ave South Suite 2400
City
New York
State
NY
ZipCode
10003
Phone Number
1-800-921-8482
Web Address
www.vivanaturals.com
Pharmacist Counseling Corner

Astaxanthin 4 mg by Viva Naturals: Common Questions

Does Astaxanthin 4 mg by Viva Naturals interact with any medications?
Yes. Based on its ingredients, Astaxanthin 4 mg has a known interaction with 671 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Astaxanthin 4 mg contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism 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.
What is astaxanthin?
Astaxanthin is a carotenoid — a natural pigment from plants. It acts as an antioxidant in your body, meaning it may help neutralize harmful molecules, though its real-world benefits in humans aren't well proven yet.
Can I take this if I'm pregnant or breastfeeding?
There isn't enough safety data for either pregnancy or breastfeeding, so it's best to avoid it. Talk with your pharmacist or doctor before using astaxanthin if you're pregnant, nursing, or planning to become pregnant.
What side effects should I watch for?
Most people tolerate it well, but some may experience abdominal pain, diarrhea, or red-colored stools (which come from the astaxanthin and are harmless). If side effects bother you, stop and ask your pharmacist.
Does astaxanthin really work for anti-aging or brain health?
We don't have enough reliable evidence to say whether it works for aging skin, cognitive decline, Alzheimer's disease, or other common uses. That's not a no — it just means studies haven't proven it yet.
Why is long-term safety data limited?
Astaxanthin hasn't been studied in large populations or for long periods, so we don't know much about what happens if you take it regularly for months or years. If you use it, check in with your pharmacist periodically.

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

Not sure if Astaxanthin 4 mg is safe with your meds?

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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.

Astaxanthin 4 mg label
Go deeper

The Full Monographs Behind Astaxanthin 4 mg’s Ingredients

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

Herb & supplement monograph

Astaxanthin

Interacts with 671 drugs

Astaxanthin is a reddish carotenoid pigment with strong antioxidant activity in the lab, and it is widely promoted for skin, eye, heart, and exercise benefits. Early human studies are promis...

Read the full Astaxanthin monograph →
Sources

Sources & How We Checked

Astaxanthin 4 mg's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.

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

The 3 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.

Astaxanthin 3 references
  1. Kupcinskas L, Lafolie P, Lignell A, et al. Efficacy of the natural antioxidant astaxanthin in the treatment of functional dyspepsia in patients with or without Helicobacter pylori infection: A prospective, randomized, double blind, and placebo-controlled
  2. Kistler, A., Liechti, H., Pichard, L., Wolz, E., Oesterhelt, G., Hayes, A., and Maurel, P. Metabolism and CYP-inducer properties of astaxanthin in man and primary human hepatocytes. Arch.Toxicol. 2002;75(11-12):665-675. PubMed
  3. Choi HD, Youn YK, Shin WG. Positive effects of astaxanthin on lipid profiles and oxidative stress in overweight subjects. Plant Foods Hum Nutr. 2011;66:363-369. PubMed

See these in context on the Astaxanthin monograph →

Parts of this content are provided by the Therapeutic Research Center, LLC.

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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