Product Image

Oceanic Silica

Solgar
4.7
★ ★ ★ ★ ★
(4996 ratings)
Silicon 108 mg
Product Image
Score71
A simple red-algae mineral formula with added calcium, but the actual silicon amount and absorption are not disclosed.
How scoring works
Quantity:100 Capsule(s) • (50 servings)
Goals:
Nail Health
Hair Health

Score 71

A simple red-algae mineral formula with added calcium, but the actual silicon amount and absorption are not disclosed.
How scoring works
$11.96($0.23 per serving)
Pure Formulas
$ 12.74
Amazon
$ 11.96
Daily Vita
$ 14.02
iHerb
$ 11.96
Vitacost
$ 12.55
Report prices

Analysis

Two capsules provide 108 mg red algae powder and 200 mg calcium. The algae supplies a mineral matrix, while the calcium amount contributes modestly to total daily intake.

The label does not state how much elemental silicon the red algae delivers or whether that silicon is readily soluble. As a result, 108 mg of algae should not be read as 108 mg of usable silica or silicon.

Fifty servings make the bottle a moderate supply with fair convenience. It fits users who want a marine mineral source, but a chemically defined silicon ingredient would be easier to evaluate.

Who is it for
  • Adults interested in red-algae minerals
  • Users seeking modest calcium plus a silica source
  • People focused on hair or nail structure
Best for
  • Marine mineral supplementation
  • Modest calcium intake
  • Simple two-ingredient use

Pros

  • 108 mg red algae powder
  • 200 mg calcium
  • Concise active formula
  • 50 servings

Cons

  • Elemental silicon amount is not stated
  • Silicon absorption is unknown
  • Two capsules per serving
  • Narrow support for hair and nails

Warnings

  • The 200 mg calcium serving should be included when calculating total supplemental calcium

Nutrient quality

62 Moderate impact

The formula offers partial support but has a dose or purpose-alignment limitation. Form uncertainty or weak secondary amounts reduce confidence in its practical contribution.

Ingredient transparency

80 Highest impact

The listed active ingredients have specific amounts and no proprietary blend hides the core doses. Full use directions and a complete inactive-ingredient list are not supplied.

Customer satisfaction

70 High impact

The aggregate satisfaction signal is strong and the supplied volume is substantial. No specific experience details are supplied to assess repeated complaints or purpose-related outcomes.

Value for money

70 High impact

The serving provides favorable value for the disclosed core actives. Minor form or targeting limitations keep the category comparison from being fully settled.

Report analysis

Goals

Nail Health
Nail Health
Impact
Moderate effect
C Goal FitD+ Strength of SupportD CoverageA Formula Quality
Silicon · 108 mg

Silicon provides a relevant route to nail health. Dose or form uncertainty limits confidence in the practical contribution.

The formula remains narrow rather than comprehensive. Oceanic Silica is best viewed as targeted support rather than proof of a clinical benefit.

Study evidence
Silicon Supportive 2 studies
Hair Health
Hair Health
Impact
Moderate effect
C Goal FitC- Strength of SupportD- CoverageC+ Formula Quality

Red-algae silica supplies a structural mineral that may support hair strength and texture. Human evidence is promising but limited, and the very high estimated silicon exposure may not add further benefit.

The source and silica amount are disclosed, although red-algae powder is not a preferred soluble silicon form. Calcium adds little direct value to the hair-focused purpose.

Study evidence
Silicon Supportive 2 studies

Ingredients

IngredientAmount per serving
Calcium
200 mg
Silica (Red Algae powder)
 108 mg
Gluten Free Adults 18–50 Vegan Kosher Dairy Free Sugar Free Vegetarian
Report overview
Silicon (Red Algae powder) · 108 mg OverallScore60
C- Active Ingredient Quality & BioavailabilityD+ Dose, Safety & Label TransparencyA Value

Red algae supplies an identified natural silica source, but powder is not among the most absorbable silicon forms. The listed silica amount converts to a high elemental silicon dose that exceeds the preferred range and may offer diminishing returns. A very low serving cost supports value, although no standardization or trademarked ingredient evidence is provided.

View ingredientView products
Loading alternative details
80 Performance

Living Silica Mineral Based Collagen Booster

Orgono
<p>A more capable ingredient profile provides 22.5 mg of silicon as monomethylsilanetriol. Compared with the original’s red-algae silica, whose available silicon amount is unclear, it provides a meaningful amount of a well-defined, absorbable silicon form in a focused formula.</p>
83 Performance

Marine Collagen 2500 mg

youtheory
<p>A more capable ingredient profile provides 2.5 g of hydrolyzed fish collagen with vitamin C, zinc, selenium, and horsetail silica. Compared with the original’s red-algae silica, whose available silicon amount is unclear, it adds substantial collagen and several disclosed cofactors relevant to hair and nails.</p>
82 Performance

Ultra BoneUp

Jarrow Formulas
<p>A more capable ingredient profile provides silicic acid, type II collagen, vitamin C, zinc, copper, and manganese. Compared with the original’s red-algae silica, whose available silicon amount is unclear, it pairs silicon with collagen and supporting nutrients, but its formula is oriented partly toward bone support.</p>
80 Budget

Gelatin & Silicon

Swanson Premium Brand
<p>A lower serving cost still provides 20 mg of silicon aminoate with 1.08 g of gelatin. Compared with the original’s red-algae silica, whose available silicon amount is unclear, this option keeps a meaningful silicon amount and adds gelatin for structural protein support.</p>
59 Budget

Daily Total One

Country Life
<p>A lower serving cost still provides horsetail silica plus biotin, zinc, selenium, and other vitamins. Compared with the original’s red-algae silica, whose available silicon amount is unclear, this option covers several nutrient pathways linked with normal hair and nail maintenance, though the formula is much less focused.</p>
85 Budget

Beauty - Bones - Joints

BioSil
<p>No listed candidate costs less per serving, but this is among the closest-priced available options and provides 5 mg of silicon as choline-stabilized orthosilicic acid. Compared with the original’s red-algae silica, whose available silicon amount is unclear, it uses a clearly identified, stabilized silicon form with strong alignment to hair and nail goals; it should not be viewed as a true cheaper substitute.</p>
71 Value

Super Silica Plus

KAL
<p>A useful balance of ingredients and value combines 20 mg of colloidal hydrophilic silica, 600 mg of horsetail, 250 mg of MSM, and biotin with a moderate serving cost for the provided formula. Compared with the original’s red-algae silica, whose available silicon amount is unclear, it combines a disclosed silica amount with MSM and biotin for broader hair and nail support.</p>
77 Value

Hair Ultra Softgels

OLLY
<p>A useful balance of ingredients and value combines 10 mg of silicon dioxide with keratin, biotin, zinc, and copper with a moderate serving cost for the provided formula. Compared with the original’s red-algae silica, whose available silicon amount is unclear, it targets hair and nails through both silicon and keratin-related nutrients rather than silicon alone.</p>
73 Value

FloraSil

Flora
<p>A useful balance of ingredients and value combines 9 mg of horsetail-derived silica with a moderate serving cost for the provided formula. Compared with the original’s red-algae silica, whose available silicon amount is unclear, it offers a focused silica capsule with little formula padding, though extract standardization is not provided.</p>
Report alternatives

Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Effect of oral intake of choline-stabilized orthosilicic acid on skin, nails and hair in women with photodamaged skin.
    Barel A; Calomme M; Timchenko A; De Paepe K; Demeester N; Rogiers V; Clarys P; Vanden Berghe D · Archives of dermatological research · 2006
    Randomized trial50 participantsHair Health Nail Health forSilicon
  2. Nail Supplements: When, How, and Why?
    Zaraa I; Richert B · Skin appendage disorders · 2026
    Narrative reviewNail Health forSilicon
  3. Effect of oral intake of choline-stabilized orthosilicic acid on hair tensile strength and morphology in women with fine hair
    R R Wickett, E Kossmann, A Barel, N Demeester, P Clarys, D Vanden Berghe, M Calomme · Archives of Dermatological Research · 2007
    Randomized trial48 participantsHair Health forSilicon