Silica Complex with Horstail Extract
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
Certifications & Testing
Other Ingredients
Microcrystalline Cellulose, Stearic Acid, Hydroxypropyl Cellulose, Croscarmellose Sodium, Vegetarian Coating
Recommended Use
Suggested Usage: Take 1 tablet 1 to 3 times daily, preferably with food.
Warnings
Caution: For adults only. Not recommended for pregnant/nursing women. Consult physician if taking medication (including diuretics), or have a medical condition (especially liver, kidney, heart dysfunction). Keep out of reach of children. Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients
Frequently Asked Questions
What is NOW Foods Silica Complex with Horstail Extract's Formulate score?
NOW Foods Silica Complex with Horstail Extract scores 75 out of 100 (grade B+) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is NOW Foods Silica Complex with Horstail Extract worth it?
NOW Foods Silica Complex with Horstail Extract scores 75/100 (grade B+). That's an above-average result — most of its doses and ingredient forms are well-chosen, with only minor gaps in dosing, transparency, or testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in NOW Foods Silica Complex with Horstail Extract?
Each serving contains Calcium (50 mg), Zinc (5 mg), Manganese (2 mg), Horsetail extract (575 mg), and more. Serving size: 1 Tablet(s). 180 servings per container.
How do I take silica complex with horstail extract?
Suggested Usage: Take 1 tablet 1 to 3 times daily, preferably with food.
Who makes Silica Complex with Horstail Extract?
Silica Complex with Horstail Extract is made by NOW Foods. See Formulate's full grade and product lineup for NOW Foods on its brand page.
Is NOW Foods Silica Complex with Horstail Extract third-party tested?
NOW Foods lists the following certifications and testing for this product: Vegan, Vegetarian, Gluten-Free, Dairy-Free.
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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.