Varicose Veins After Menopause: What the Estrogen Research Actually Shows

In this article
- What actually causes a varicose vein?
- What does a real 104-woman study say about estrogen and veins?
- What does collagen loss do to vein walls?
- Where does shilajit's collagen research fit, and where does it not?
- What actually helps, regardless of hormones?
- Common questions about varicose veins after menopause
What actually causes a varicose vein?

Veins in the legs rely on one-way valves to push blood back up toward the heart against gravity.
When a valve weakens or fails, blood pools instead of moving forward. The vein wall stretches under that backed-up pressure and eventually bulges into the twisted, visible pattern known as a varicose vein.
Standing or sitting for long periods, pregnancy, and the natural aging of vein tissue all make that failure more likely over a lifetime. Roughly one in three adults will develop varicose veins at some point, and the rate is consistently higher in women than in men, which is part of why researchers have looked closely at hormones.
What does a real 104-woman study say about estrogen and veins?
Most consumer health articles claim menopause causes varicose veins because falling estrogen weakens the vein wall. A 2000 study published in the Journal of Vascular Surgery tested that assumption directly, and found something more complicated.
Researchers examined 104 healthy menopausal women, ages 48 to 65, none on hormone therapy. Each woman had a physical exam for varicose veins, a venous plethysmography test measuring how much the vein wall stretches under pressure, and blood tests for estradiol, testosterone, and sex hormone binding globulin.
- Women with higher serum estradiol had significantly more clinical evidence of varicose veins, not less
- Higher estradiol also correlated with greater venous distensibility, meaning the vein wall stretched more under the same pressure
- The proposed mechanism is that estrogen relaxes vein smooth muscle and softens collagen fibers, which can make an already-stressed vein wall give way more easily under pooling blood
That is the opposite direction from the "low estrogen weakens veins" story told on most wellness sites. It does not mean estrogen is bad for veins across the board. It means the same hormone that supports collagen production elsewhere in the body also relaxes the smooth muscle that normally keeps a vein wall taut, and in veins specifically, that relaxation effect showed up as more distensibility and more visible varicose veins in this particular study.
What does collagen loss do to vein walls?

The Ciardullo study measured hormone levels against vein appearance in living women. Separate research looks at the vein wall tissue itself.
A second, different mechanism is also at work.
- Vein walls, like skin and tendons, depend on type I and type III collagen for structural strength
- Estrogen supports collagen production broadly across connective tissue, and declining estrogen is associated with reduced collagen content
- Weaker structural collagen in an aging vein wall gives valve failure and pressure pooling more room to cause visible damage, even if the acute smooth-muscle-relaxing effect above is separately in play
Both mechanisms are documented in the research literature, and they are not mutually exclusive. A vein wall can have structurally weaker collagen from decades of estrogen decline while also being acutely more distensible on days or in women where circulating estradiol runs higher. This is a genuinely unresolved area of vascular research, not a settled story, and it is presented that way here rather than picking whichever direction sounds better for a supplement pitch.
Why age and mechanics still matter more than hormones alone
Varicose vein rates climb steadily with age in both men and women who never go through menopause the way women do, which is one reason vascular researchers do not treat estrogen as the whole story. Decades of gravity, standing, and valve wear explain a large share of who develops varicose veins, hormones layer on top of that mechanical reality rather than replacing it.
Where does shilajit's collagen research fit, and where does it not?

No human trial has tested shilajit, or any Optimum product, against a varicose vein outcome. That needs to be stated before anything else here.
What exists is separate human research on the same biological materials, collagen and vascular gene activity, that the vein research above points to. Two trials carry that evidence.
- A randomized, placebo-controlled trial in 45 middle-aged women found that oral shilajit at 250 mg twice daily improved skin perfusion versus placebo and activated genes tied to blood vessel formation, through the VEGFA and TGFbeta1 pathways, measured directly via skin biopsy
- An 8-week human trial (n=16) found shilajit supplementation significantly upregulated collagen genes in a muscle tissue biopsy, including COL3A1 at 5.18 times baseline and COL1A2 at 5.13 times baseline
- Neither trial measured vein tissue, vein wall strength, or any varicose vein endpoint
| What the vein research shows | What shilajit's trials measured | |
|---|---|---|
| Vessel wall response | Estradiol relaxes vein smooth muscle (Ciardullo, 2000) | Not tested on vein tissue |
| Collagen structure | Estrogen loss reduces structural collagen in connective tissue broadly | Collagen genes upregulated in human muscle and skin biopsies |
| Blood vessel formation | Vascular tone and permeability shift with estrogen | Angiogenesis genes activated in human skin, via VEGFA/TGFbeta1 |
| Direct varicose vein test | No trial has isolated estrogen's net effect on varicose veins alone | No shilajit trial has tested varicose veins |
This is mechanism-adjacent evidence in a different tissue, not a varicose vein result. It is presented at that level and no higher.
What actually helps, regardless of hormones?
The interventions with the strongest evidence for varicose veins are mechanical, not hormonal. None of them require a supplement.
- Graduated compression stockings reduce pooling by supporting the vein wall from outside
- Elevating the legs above heart level for periods during the day reduces venous pressure
- Regular walking activates the calf muscle pump, which does much of the work of moving blood back up the leg
- Avoiding long unbroken periods of standing or sitting reduces the time pressure has to build in the lower leg veins
- Maintaining a stable, healthy weight reduces the load on leg veins over time
Common questions about varicose veins after menopause
Does menopause make varicose veins worse or better?
The honest answer is that the research is genuinely mixed. One well-designed study of 104 menopausal women found higher estradiol linked to more varicose veins, while separate collagen research shows estrogen loss weakens the vein wall's structural collagen. Both mechanisms are real, and they point in different directions, which is stated directly here rather than smoothed into a single simple story.
Why do varicose veins become more common as women get older regardless of hormones?
Vein valves are one-way doors that keep blood moving up against gravity. Each pregnancy, each year of standing, and general tissue aging weakens those valves and the vein wall around them, independent of any single hormone. Menopause adds a hormonal layer on top of decades of mechanical wear.
Has shilajit been tested on varicose veins?
No. No human trial has tested shilajit against a varicose vein outcome, and that is stated plainly here. What exists is separate human research showing oral shilajit activated blood-vessel and collagen genes in women's skin tissue, mechanism evidence, not a varicose vein claim.
What actually helps varicose veins day to day?
Compression stockings, elevating the legs, regular walking, and avoiding long periods of standing or sitting are the interventions with the most consistent evidence. These work on the mechanical side of the problem regardless of what any supplement does.

Optimum Shilajit
Shilajit's fulvic acid and trace minerals are grounded in the human collagen and vascular-gene research described above, part of Optimum Shilajit, sourced from the Altai mountains and third-party tested for purity on every batch. No trial has tested it against varicose veins, and that limit is stated here rather than implied away.
See Optimum ShilajitSources
- Ciardullo AV, et al. High endogenous estradiol is associated with increased venous distensibility and clinical evidence of varicose veins in menopausal women. Journal of Vascular Surgery, 2000;32(3):544-549. PMID 10957662. https://pubmed.ncbi.nlm.nih.gov/10957662/
- Das A, et al. Skin Transcriptome of Middle-Aged Women Supplemented With Natural Herbo-mineral Shilajit Shows Induction of Microvascular and Extracellular Matrix Mechanisms. Journal of the American College of Nutrition, 2019;38(6):526-536. PMID 31161927. https://pmc.ncbi.nlm.nih.gov/articles/PMC7027386/
- Das A, et al. The Human Skeletal Muscle Transcriptome in Response to Oral Shilajit Supplementation. Journal of Medicinal Food, 2016;19(7):701-9. PMID 27414521. https://pubmed.ncbi.nlm.nih.gov/27414521/