Quick Verdict: In this MaryRuth’s Daily Liquid Hair Formula review, we tested one of the more editorially interesting hair supplements to hit the market — a dedicated hair-only liquid formula built around SesZenBio™, a clinically studied ingredient derived from black sesame and black rice, with published research on hair thickness and density. Unlike MaryRuth’s broader Multivitamin + Hair Growth (which we compared to Nutrafol), this product is not a multivitamin — it’s a targeted beauty-from-within formula focused exclusively on hair, skin, and nail support. At 16 fl oz with about 16 servings per bottle at 2 tablespoons daily, the blueberry pomegranate flavor is genuinely enjoyable, and the biotin + vitamin C cofactor support is well thought out. The main honest concern isn’t the formula — it’s the math: at 16 servings per $34.95 bottle, a true daily user needs two bottles per month, which puts the real monthly cost around $70. For adults over 40 who prefer liquids, want a hair-focused (not multivitamin) supplement, and are willing to invest in a clinically studied active — this is one of the better positioned products on the market. Our rating: 4.5/5.
Affiliate Disclosure: This article contains affiliate links. If you purchase through these links, we may earn a small commission at no extra cost to you. This doesn’t influence our recommendations. Read our full Affiliate Disclosure.
Medical Disclaimer: This content is for informational purposes only and is not medical advice. Always consult your doctor before starting any supplement. These statements have not been evaluated by the FDA. Products mentioned are not intended to diagnose, treat, cure, or prevent any disease.
Why This Product Is Different From Other Hair Supplements
If you’ve been shopping hair supplements after 40, you’ve probably noticed a wall of biotin-heavy multivitamins that all promise the same thing: thicker, stronger hair. Most of them are indistinguishable — the same 10,000mcg of biotin, the same vague blend of “hair support nutrients,” the same marketing.
MaryRuth’s Daily Liquid Hair Formula tries to stand out on one specific claim: SesZenBio™, a clinically studied active from HP Ingredients derived from black sesame and black rice. If you’ve read our Youtheory Concentrated Effect Collagen with Verisol review, you already know why this matters — supplements built around named, patented, clinically studied ingredients tend to have more real research behind their claims than generic blends.
In this review, I break down whether the SesZenBio™ story holds up, how the formula compares to the rest of MaryRuth’s hair-related products, and — importantly — the cost math you need to understand before subscribing.
What Is MaryRuth’s Daily Liquid Hair Formula?
It’s a liquid dietary supplement designed exclusively for hair, skin, and nail support — not a multivitamin. That’s an important distinction: MaryRuth’s has multiple hair-related products, and this one is the most targeted.
Key characteristics:
- Blueberry pomegranate flavor (genuinely one of the more palatable supplement flavors)
- 16 fl oz (473 ml) glass bottle, about 16 servings
- SesZenBio™ (clinically studied black sesame + black rice extract)
- Biotin for hair and nail structural support
- Vitamin C to support collagen synthesis and provide antioxidant activity
- Vegan, non-GMO, gluten-free, sugar-free
- Made in the USA in a GMP-certified facility
Nutritional Profile (Per 2-Tablespoon Serving)
| Nutrient | Amount | % DV |
|---|---|---|
| Calories | 5 | — |
| Total Carbohydrates | 1 g | <1% |
| Vitamin C | 90 mg | 100% |
| Biotin | 2,500 mcg | 8,333% |
| SesZenBio™ (Sesamum indicum + Oryza sativa) | 500 mg | † |
† Daily Value not established.
The Cost Analysis You Need to Understand
At $34.95 per 16 fl oz bottle with about 16 servings, the per-serving cost is roughly $2.18. That’s competitive with premium hair supplements — but here’s the honest math most reviews skip:
If you take this daily (as directed), you’ll finish a bottle in about 16 days — meaning you need approximately two bottles per month for true daily use. That puts the real monthly cost at around $69.90/month, not $34.95/month.
For context:
- MaryRuth’s Liquid Multivitamin + Hair Growth: $74.95/month (30 servings, one bottle)
- Nutrafol Women’s Balance: $88/month
- MaryRuth’s Daily Liquid Hair Formula (real daily use): ~$70/month
The upside: you can also use it every other day for maintenance rather than deficiency correction, which extends a bottle to about a month and cuts your effective monthly cost to $34.95. Whether that’s optimal for results is a legitimate question, but it’s an option many users choose.
5 Benefits of MaryRuth’s Daily Liquid Hair Formula Backed by Science
1. Increased Hair Thickness and Density with SesZenBio™
SesZenBio™ is a proprietary blend of black sesame seed and black rice extracts developed by HP Ingredients, with published research showing improvements in hair density and thickness. The active compounds — anthocyanins from black rice and lignans from black sesame — are thought to support hair follicle health through antioxidant activity and improved scalp microcirculation. This is the same category of “clinically studied active” that makes products like Nutrafol and Youtheory Verisol distinguishable from generic hair blends.
2. Structural Hair and Nail Support from Biotin
Biotin (vitamin B7) is a cofactor for keratin production — the primary structural protein in hair, skin, and nails. At 2,500 mcg per serving, the dose is high but well within the safety range. A 2015 review published in Skin Appendage Disorders documented biotin supplementation benefits particularly in individuals with underlying deficiency, and while frank biotin deficiency is uncommon, sub-optimal levels can contribute to brittle hair and nails in adults over 40.
3. Vitamin C for Collagen Synthesis
Vitamin C isn’t just an immune supplement — it’s a required cofactor for the enzymes prolyl hydroxylase and lysyl hydroxylase, which stabilize collagen fibers. Since collagen is a major structural component in the hair follicle and dermis (scalp skin), vitamin C plays a critical background role in hair health. The 90 mg per serving (100% DV) works synergistically with the biotin and SesZenBio™ for structural support.
4. Antioxidant Activity for Scalp Health
Both SesZenBio™ (via anthocyanins) and vitamin C provide antioxidant activity. Oxidative stress at the scalp level contributes to hair follicle miniaturization and premature aging of the follicle — a phenomenon well documented in the hair loss literature. Reducing oxidative burden at the follicle may help preserve hair density over time, particularly relevant for adults over 40 as antioxidant defenses naturally decline with age.
5. Liquid Format Absorption Advantage
Liquid supplements bypass the disintegration phase that tablets require and are generally absorbed faster and more completely. For water-soluble nutrients like biotin and vitamin C, this is a real advantage. It also makes the formula useful for people with reduced stomach acid (common after 40) or those who have difficulty swallowing capsules.
How to Use MaryRuth’s Daily Liquid Hair Formula
Recommended dose: 2 tablespoons (30 ml) once daily.
Best timing: Morning is ideal — the formula includes vitamin C (mildly energizing) and it’s easier to remember with a routine anchor. Take with breakfast or on an empty stomach; both work for a liquid supplement.
How to take it: Take straight from the spoon, or mix into water, juice, or a smoothie. The blueberry pomegranate flavor is genuinely enjoyable — this isn’t a supplement you’ll dread taking. Some users add it to yogurt or overnight oats.
Storage: Refrigerate after opening. Once open, the bottle has approximately 30 days of shelf stability — which aligns roughly with your usage timeline if you’re taking it daily.
Consistency matters: Like all hair supplements, results depend on daily consistency. The hair growth cycle takes approximately 12 weeks (one full anagen phase), so evaluate results at 12 weeks minimum. SesZenBio™ clinical studies showed measurable results at 90 days.
Timeline expectations:
- Weeks 1-4: No visible hair changes. Some users notice improvements in nail strength or skin hydration first.
- Weeks 4-8: Reduced daily shedding (if shedding was elevated).
- Weeks 8-12: Early signs of increased hair thickness, particularly at the crown and hairline.
- Weeks 12-24: Full evaluation window — visible density and thickness improvements should be measurable if the product is working for you.
Cost-conscious tip: If the ~$70/month cost of daily use is prohibitive, taking every other day for maintenance is a legitimate compromise that extends a bottle to about a month. Just understand this is a maintenance dose, not a correction dose.
MaryRuth’s Daily Liquid Hair Formula vs. Other Hair Supplements for Women Over 40
| Product | Format | Key Active | Monthly Cost* | Best For |
|---|---|---|---|---|
| MaryRuth’s Daily Liquid Hair Formula | Liquid | SesZenBio™ + Biotin | ~$70 (daily) / $35 (every other day) | Targeted hair-only support |
| MaryRuth’s Liquid Multivitamin + Hair Growth | Liquid | Full multi + biotin + iron | $74.95 | Multi + hair in one |
| Nutrafol Women’s Balance | Capsules | Saw palmetto + ashwagandha | $88 | Menopausal hormonal thinning |
| Youtheory Concentrated Effect Collagen | Tablets | Verisol® Collagen Peptides | $25 (60-day supply) | Skin firmness + nail growth |
*Monthly cost based on manufacturer-recommended daily use at current retail prices.
Where this product wins: If you specifically want a hair-focused (not multivitamin) supplement in liquid form with a clinically studied active, this is one of the few options that ticks all three boxes. The SesZenBio™ inclusion is a genuine differentiator over generic biotin-heavy hair supplements.
Where it loses: If you don’t already take a multivitamin, MaryRuth’s own Liquid Multivitamin + Hair Growth is a better value at $74.95/month — you get both a full multivitamin AND hair support in the same bottle for essentially the same cost. If your primary concern is hormonal menopausal thinning, Nutrafol’s targeted mechanism is a better match.
Who Should Take MaryRuth’s Daily Liquid Hair Formula
✅ Good fit if you:
- Already take a multivitamin and want a dedicated hair supplement to add
- Prefer liquids over capsules or tablets
- Are drawn to products with clinically studied actives (SesZenBio™)
- Have sensitivities to synthetic fillers or artificial flavors
- Are vegan or gluten-free
- Want a supplement that’s genuinely enjoyable to take (the flavor helps consistency)
- Are willing to invest in a beauty-from-within routine
❌ Skip this if you:
- Don’t currently take a multivitamin — MaryRuth’s Multivitamin + Hair Growth is a better value
- Have confirmed hormonal (DHT-driven) hair thinning — Nutrafol is more targeted
- Need iron supplementation (this formula doesn’t include iron)
- Are on a strict budget for daily use (~$70/month for true daily dose)
- Prefer capsules for convenience or travel (the glass bottle is heavy)
- Are pregnant, nursing, or on medication without doctor consultation
- Have sensitivities to biotin (interferes with certain lab tests, particularly thyroid and troponin panels)
Special note about biotin: At 2,500 mcg per serving, this formula provides very high biotin levels. This is not toxic, but biotin at high doses can interfere with certain blood tests, particularly thyroid function tests, troponin (heart), and some hormone panels. If you have bloodwork coming up, stop biotin supplements 2-3 days before testing.
Common Questions About MaryRuth’s Daily Liquid Hair Formula
How long before I see results with MaryRuth’s Daily Liquid Hair Formula?
Based on the SesZenBio™ clinical studies and general hair supplement timelines, expect early signs of reduced shedding at 4-8 weeks and visible thickness improvements at 12 weeks minimum. The hair growth cycle takes about 90 days (one full anagen phase), so evaluate results at 12 weeks — not before. Some users notice improvements in nails and skin hydration before visible hair changes appear.
What is SesZenBio™ and does it really work?
SesZenBio™ is a proprietary blend of black sesame seed and black rice extracts developed by HP Ingredients, with published research on hair density and thickness. The active compounds are anthocyanins (from black rice) and lignans (from black sesame), which provide antioxidant activity and may support scalp microcirculation. It’s one of a small number of hair-focused actives with published clinical data, similar in category to Verisol® or Nutrafol’s Synergen Complex.
Can I take MaryRuth’s Daily Liquid Hair Formula with other supplements?
Yes, in most cases. It combines well with collagen supplements, vitamin D, and omega-3s. Watch your total biotin intake if you take a B-complex or multivitamin — this formula already provides very high biotin. Avoid stacking it with MaryRuth’s Multivitamin + Hair Growth (redundant biotin). If you take medication or have a health condition, consult your doctor first.
Why is this product more expensive than it looks?
The bottle costs $34.95 but contains only about 16 servings — so daily use requires approximately two bottles per month, putting the true monthly cost around $70. This is important to factor into your budget before subscribing. Every-other-day dosing extends a bottle to about 30 days at the $34.95 price point, which is a legitimate maintenance option (though not the manufacturer’s directed use).
Is MaryRuth’s Daily Liquid Hair Formula safe for adults over 40?
Yes, for most healthy adults over 40. The formula is vegan, non-GMO, gluten-free, and made in a GMP-certified facility. The main safety consideration is the high biotin content, which can interfere with certain blood tests (thyroid, troponin) — stop 2-3 days before bloodwork. Consult your doctor if you’re pregnant, nursing, on medication, or managing a health condition.
MaryRuth’s Daily Liquid Hair Formula vs Multivitamin + Hair Growth — which one should I choose?
Choose Daily Liquid Hair Formula if you already take a multivitamin and want to add a targeted hair-only supplement with SesZenBio™. Choose Liquid Multivitamin + Hair Growth if you want one product covering both multivitamin needs and hair support — it’s a better value if you don’t already take a multi. Both work; the choice depends on your existing supplement stack.
Bottom Line: Is MaryRuth’s Daily Liquid Hair Formula Worth It?
Yes, with an honest caveat about the cost math.
MaryRuth’s Daily Liquid Hair Formula earns a solid 4.5/5 because it does what most hair supplements don’t: it builds around a clinically studied active (SesZenBio™) rather than just piling on biotin. The blueberry pomegranate flavor is genuinely enjoyable, the ingredient philosophy is clean (vegan, non-GMO, gluten-free), and the liquid format has real absorption advantages for adults over 40 with reduced stomach acid.
Where it loses half a point:
- The 16-serving bottle means daily use costs ~$70/month, not the $34.95 the price tag suggests
- If you don’t already take a multivitamin, MaryRuth’s Multivitamin + Hair Growth is a better one-product solution at similar cost
- Biotin is unnecessarily high (a common flaw across almost all hair supplements)
But if you’re specifically looking for a hair-focused supplement to add to an existing multivitamin routine, and you want a clinically studied active in a liquid you’ll actually enjoy taking daily — this is one of the better positioned options in the category.
Take it if: You already take a multivitamin, want a dedicated hair supplement, prefer liquids, and value clinical backing.
Skip it if: You don’t take a multi (get MaryRuth’s Multi + Hair Growth instead), have menopausal hormonal thinning (Nutrafol), or the ~$70/month daily cost is prohibitive.
👉 Check Current Price on MaryRuth’s Daily Liquid Hair Formula
Related Reading
- MaryRuth’s vs Nutrafol: Hair Growth Comparison — How MaryRuth’s Multi + Hair Growth compares to the DHT-focused Nutrafol
- Youtheory Concentrated Effect Collagen with Verisol Review — Another clinically studied active for beauty-from-within
- Best Iron Supplements for Adults Over 40 — Iron deficiency is a common (and missed) cause of hair thinning
- Vital Proteins Collagen Peptides Review — Complements hair supplements with collagen support
Sources
- Almohanna HM, Ahmed AA, Tsatalis JP, Tosti A. (2019). “The Role of Vitamins and Minerals in Hair Loss: A Review.” Dermatology and Therapy, 9(1), 51-70. https://pubmed.ncbi.nlm.nih.gov/30547302/
- Patel DP, Swink SM, Castelo-Soccio L. (2017). “A Review of the Use of Biotin for Hair Loss.” Skin Appendage Disorders, 3(3), 166-169. https://pubmed.ncbi.nlm.nih.gov/28879195/
- DePhillipo NN, Aman ZS, Kennedy MI, et al. (2018). “Efficacy of Vitamin C Supplementation on Collagen Synthesis and Oxidative Stress After Musculoskeletal Injuries: A Systematic Review.” Orthopaedic Journal of Sports Medicine, 6(10). https://pubmed.ncbi.nlm.nih.gov/30416933/
- Trüeb RM. (2015). “The impact of oxidative stress on hair.” International Journal of Cosmetic Science, 37(Suppl 2), 25-30. https://pubmed.ncbi.nlm.nih.gov/26574302/
- Guo EL, Katta R. (2017). “Diet and hair loss: effects of nutrient deficiency and supplement use.” Dermatology Practical & Conceptual, 7(1), 1-10. https://pubmed.ncbi.nlm.nih.gov/28243487/
- Le Floc’h C, Cheniti A, Connétable S, et al. (2015). “Effect of a nutritional supplement on hair loss in women.” Journal of Cosmetic Dermatology, 14(1), 76-82. https://pubmed.ncbi.nlm.nih.gov/25573272/
Affiliate Disclosure: This article contains affiliate links. If you purchase through these links, we may earn a small commission at no additional cost to you. We only recommend products we’ve researched and believe in. See our full Affiliate Disclosure for details.
This content is for informational purposes only and is not medical advice. Always consult with your healthcare provider before starting any new supplement regimen.
Cristhian Toro is the founder of After 40 Supplements. He started researching supplements years ago to optimize his training and recovery at the gym, and now translates the science behind popular supplements into clear, honest guides for adults over 40. He’s not a doctor — he’s someone who reads the research, compares the products, and shares what actually works (and what doesn’t), with sources you can verify.