Life Extension Vitamin D3 175 mcg
- Vitamin D
- Softgel
- Vitamin D3
- 60
A high-potency, once-daily D3 softgel sized for two months, better matched to a known deficiency than to casual daily use.
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How it ranks among the 137 vitamin d we track
4.8★ across 1,300 Amazon ratings, Bayesian-smoothed toward the category average.
1,300 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
1,000+ 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 137 vitamin d we track - how the scorecard works · full vitamin d data report. Confidence: high - strong rating volume and complete data.Last refreshed Aug 4, 2026. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
A higher-potency 7000 IU vitamin D3 softgel meant for once-daily use, packaged as a two-month, 60-count supply, gluten-free and non-GMO.
At 7000 IU this dose is well above typical maintenance levels and is the kind of potency usually taken under a doctor's guidance for a diagnosed low vitamin D level rather than general daily upkeep. The listing also references cognitive function and endothelial (blood vessel lining) health, reflecting vitamin D's broader research base beyond bone health.
- 7000 IU (175 mcg) per softgel
- 60 softgels, roughly a two-month supply
- Gluten-free, non-GMO
- Once-daily dosing
Who it's for
Suited to someone with a confirmed low vitamin D level who has been advised to take a higher daily dose. Not the right starting point for someone with normal levels who just wants routine maintenance, where a 1000 to 2000 IU product fits better.
Strengths and trade-offs
Drawn from this product's published specifications.
- High 7000 IU potency for confirmed low levels
- Two-month supply per bottle
- Gluten-free and non-GMO
- Dose is too high for casual daily maintenance use
- Requires knowing your vitamin D level to dose safely
Performance notes
At 7000 IU per softgel, dosing is less forgiving than lower-potency products since exceeding recommended upper intake limits over time is more of a concern; taking it with a fat-containing meal helps absorption of this fat-soluble vitamin.
Specifications
| Brand | Life |
|---|---|
| Model | 01718 |
| Form | Softgel |
| Supplement Type | Vitamin D3 |
| Count | 60 |
| Flavor | Unflavored |
| Benefits | Helps maintain youthful, healthy cognitive function, Promotes endothelial health |
| Diet | Gluten Free |
| Allergens | Gluten Free, Non-GMO |
Other Life vitamin d
How it compares
This product against the closest alternatives we track in vitamin d.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| Life Extension Vitamin D3 175 mcgThis product | 4.8 / 5 | 1,300 | 4.5 / 5 |
| Nature's Bounty Vitamin D3 5000 IU SoftgelsNature's | 4.8 / 5 | 83,500 | 4.7 / 5 |
| Sports Research Vitamin D3 5000 IU with Coconut MCT OilSports | 4.8 / 5 | 71,400 | 4.7 / 5 |
| Nature Made Vitamin D3 5000 IUNATURE | 4.8 / 5 | 67,100 | 4.7 / 5 |
| vitafusion Vitamin D3 GummiesVitafusion | 4.8 / 5 | 54,500 | 4.7 / 5 |
Similar vitamin d from other brands
Questions about the Life 01718
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Is 7000 IU of vitamin D3 too much for daily use?
It's a higher-than-maintenance dose typically used for a confirmed low vitamin D level rather than general upkeep, so it's worth checking with a doctor first.
How long does one bottle last?
At one softgel a day, the 60-count bottle covers about two months.
Is this formula gluten-free?
Yes, it's labeled gluten-free and non-GMO.