
Nutricost Astaxanthin 4mg
- Astaxanthin
- Softgel
- Astaxanthin
- 120
- Better rated than 84%
A straightforward 4mg astaxanthin softgel from Nutricost with a four-month supply per bottle, though no reviews back up the listing yet.
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How it ranks among the 64 astaxanthin we track
4.7★ across 164 Amazon ratings, Bayesian-smoothed toward the category average.
164 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
200+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 64 astaxanthin we track - how the scorecard works · full astaxanthin data report. Confidence: medium - useful but incomplete evidence.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
Nutricost's astaxanthin softgel provides 4mg per serving in a gluten-free, non-GMO formula. The 120-softgel bottle is sized as a four-month supply at one capsule daily.
Astaxanthin is a less common supplement than fish oil or vitamin D, so the model number and gluten-free labeling here matter more for buyers cross-checking Nutricost's wider catalog. No reviews or seller copy accompany this listing yet.
- 4mg astaxanthin per softgel
- 120 softgels, four-month supply
- Gluten free and non-GMO
- Unflavored capsule
Who it's for
Aimed at buyers specifically seeking an astaxanthin supplement rather than a general antioxidant blend. Not for anyone needing a multi-ingredient formula in one softgel.
Strengths and trade-offs
Drawn from this product's published specifications.
- 4mg astaxanthin per serving
- Four-month supply per bottle
- Gluten free formula
- No reviews to confirm results
- Single-ingredient only, no added antioxidants
- No seller description on the listing
Performance notes
Each softgel delivers 4mg of astaxanthin, a carotenoid antioxidant, with 120 softgels covering roughly four months at one per day. The gluten-free labeling applies to the capsule formulation rather than a separate testing claim on the listing.
Specifications
| Brand | Nutricost |
|---|---|
| Model | NTC-31058 |
| Form | Softgel |
| Supplement Type | Astaxanthin |
| Count | 120 |
| Flavor | Unflavored |
| Diet | Gluten Free |
| Allergens | Gluten Free |
How it compares
This product against the closest alternatives we track in astaxanthin.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Nutricost Astaxanthin 4mgThis product | 4.7 / 5 | 164 | 4.1 / 5 |
| Sports Research Triple Strength Astaxanthin 12mg w/Organic Coconut OilSports | 4.6 / 5 | 8,800 | 4.6 / 5 |
| Nutrex Hawaii BioAstin Hawaiian AstaxanthinNutrex | 4.5 / 5 | 12,900 | 4.5 / 5 |
| Micro Ingredients Astaxanthin 12mg with MCT OilMicro | 4.5 / 5 | 5,000 | 4.5 / 5 |
| Astaxanthin - Triple Strength 12mg (Only Patented Astaxanthin (Astrareal) with 70+ Human…Astaxanthin | 4.6 / 5 | 2,500 | 4.5 / 5 |
Questions about the Nutricost NTC-31058
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
How many months does one bottle of Nutricost Astaxanthin last?
The 120-softgel count is sized as a four-month supply at one softgel per day.
Is Nutricost Astaxanthin gluten free?
Yes, the label lists it as gluten free.
What dose of astaxanthin is in each softgel?
4mg per serving.




