Shopping Cart

0

Your shopping bag is empty

Go to the shop

21st Century Biotin Tablets, 800 mcg, 110 Count (Pack of 3)

$62.02

Dresses Size Chart

Dress Size Chart (Inch)
DRESSES
SIZE IN INCHES
SIZE US / CAN BUST WAIST HIPS
XS 0 31"-32" 24"-25" 34"-35"
S 2-4 33"-34" 26"-27" 36"-37"
M 6-8 35"-36" 28"-29" 38"-39"
L 10-12 37"-39" 30"-32" 40"-42"
XL 14 40"-42" 33"-35" 43"-45"
Dress Size Chart (cm)
DRESSES
SIZE IN CM
SIZE US / CAN BUST WAIST HIPS
XS 0 78.7-81.2 60.9-63.5 86.3-88.9
S 2-4 83.8-86.3 66-68.5 91.4-93.9
M 6-8 88.9-91.4 71.1-73.6 96.5-99
L 10-12 93.9-99 76.2-81.2 101.6-106.6
XL 14 101.6-106.6 81.2-88.9 109.2-114.3

Swimwear Size Chart

Dress Size Chart (Inch)
SWIMWEAR
SIZE IN INCHES
SIZE US / CAN BUST WAIST HIPS
XS 0 31"-32" 24"-25" 33"-34"
S 2 33"-34" 26"-27" 35"-37"
M 4 35"-36" 28"-29" 37"-38"
L 6 37"-39" 30"-32" 39"-41"
XL 8 40"-42" 33"-35" 42"-44"

Shoes Size Chart

US EURO UK AUS JAPAN CHINA
5 35-36 3 3.5 21.5 35
5.5 36 3.5 4 22 35.5
6 36-37 4 4.5 22.5 36
6.5 37 4.5 5 23 36.5
7 37-38 5 5.5 23.5 37
7.5 38 5.5 6 24 37.5
8 38-39 6 6.5 24.5 38
8.5 39 6.5 7 25 38.5
9 39-40 7 7.5 25.5 39
9.5 40 7.5 8 26 39.5
10 40-41 8 8.5 26.5 40
11 41-42 9 9.5 27.5 41

Delivery

Orders are generally processed within 1–3 business days. Standard delivery to addresses in Canada usually takes approximately 5–15 business days after dispatch.

Tracking information will be sent by email when it becomes available. Delivery times are estimates and may be affected by carrier delays, customs, severe weather or circumstances outside our control.

  • Prices are displayed in Canadian dollars.
  • Applicable taxes and shipping charges are calculated at checkout.
  • Orders may be delivered in more than one shipment.
  • Please verify your shipping address before completing your order.

Returns & Refunds

Return requests must be submitted within 30 days of delivery. Vitamins, supplements and other health-related products must be unused, unopened, sealed and returned in their original packaging.

Opened or used products cannot be returned for health and safety reasons, unless the item arrived damaged, defective or incorrect. Damaged, defective or incorrect items should be reported within 48 hours of delivery.

Customers are responsible for return shipping costs for unwanted or change-of-mind returns. A restocking fee of up to 20% may apply where permitted. Original shipping charges are non-refundable unless the return results from an error on our part.

Refunds are issued to the original payment method after the returned item has been received and inspected. Please allow up to 7 business days for the refund to be processed.

Approved Return Address
Fullfillonus #1202
1128 Lexington Ave, Bldg 4 E
Rochester, New York 14606
United States
Please contact us before sending a return. Returns sent without prior authorization may be delayed, rejected or returned to the sender.

Need Help?

For questions about an order, delivery, return or refund, contact our customer support team and include your order number.

Email: info@cloverlight.net

Vitamin4CA.com is operated by Cloverlight LLC.

Ask a Question

21st Century Biotin Tablets, 800 mcg, 110 Count (Pack of 3)

21st Century Biotin Tablets, 800 mcg, 110 Count (Pack of 3)

$62.02

Key Benefits of Biotin Supplementation

Biotin, also called vitamin B7, is a water-soluble B vitamin that helps your body turn food into energy. It contributes to the maintenance of healthy hair, skin, and nails. Many users notice stronger, less brittle nails and improved hair texture with consistent use. Biotin also supports normal energy-yielding metabolism, making it a helpful addition to your daily routine.

  • Hair Health: Biotin helps maintain healthy hair by supporting keratin infrastructure.
  • Skin Health: It supports the maintenance of normal skin.
  • Nail Strength: Regular intake may help reduce nail brittleness.
  • Energy Metabolism: Biotin aids in the breakdown of macronutrients for energy.

This product is a natural health product. Consult your healthcare provider before use.

How Much Biotin Should You Take? Recommended Dosage Guide

The recommended daily intake for biotin varies by age and life stage. For adults, an adequate intake is about 30 mcg per day. However, supplementary doses are often higher, with 800 mcg (0.8 mg) being a common amount for beauty support. Higher doses, such as 5000 or 10,000 mcg, are also available, but research does not strongly support additional benefits beyond 800 mcg for most people.

21st Century Biotin Tablets offer 800 mcg per tablet, making it easy to take one daily. This dose is well within safe limits, as biotin is water-soluble and excess amounts are excreted in urine. Consistency matters more than high doses when it comes to noticing visible changes in hair, skin, and nails.

What to Look for in a Biotin Supplement

Not all biotin supplements are created equal. When choosing a product, consider the form, purity, and certifications. 21st Century Biotin Tablets are made with d-biotin, the naturally occurring active form. They are free from added sugar, yeast, preservatives, artificial flavors, and colours. The tablets are gluten-free, vegan, and non-GMO, making them suitable for a wide range of dietary preferences.

  • Form: Tablets offer convenience and accurate dosing.
  • Purity: No unnecessary additives or allergens.
  • Certifications: Gluten-free, vegan, non-GMO.
  • Brand Trust: 21st Century HealthCare has been manufacturing quality supplements for over 30 years in Tempe, Arizona.

What Is Biotin and Why Does It Matter?

Biotin is a water-soluble B vitamin that plays a key role in converting food into energy. It is essential for the metabolism of fats, carbohydrates, and proteins. While biotin deficiency is rare in healthy individuals, many people turn to supplementation to support the health of their hair, skin, and nails. The body does not store biotin in large amounts, so regular intake through diet or supplements can help maintain adequate levels.

21st Century Biotin Tablets provide 800 mcg of biotin per serving, a moderate dose that fits well into a daily wellness routine. Whether you are looking to strengthen brittle nails or improve hair texture, biotin is a nutrient that has earned its place in many beauty regimens.

Possible Side Effects and Interactions

Biotin is generally well tolerated. At 800 mcg, side effects are extremely rare. However, very high doses (over 10 mg) may cause mild digestive upset or skin rashes in sensitive individuals. Biotin can interfere with certain laboratory tests, including thyroid function tests and troponin tests. If you are taking medication or have a medical condition, consult your healthcare provider before starting any new supplement.

Frequently Asked Questions About Biotin

Is 800 mcg of biotin enough for hair growth?

For most people, 800 mcg provides a solid foundation for supporting healthy hair. While higher doses exist, consistent daily intake of 800 mcg may help maintain hair strength and texture over time.

Can I take biotin on an empty stomach?

Yes, biotin can be taken with or without food. Taking it with a meal may enhance absorption, but it is not required.

How long does it take to see results?

Results vary by individual. Some notice improvements in nail strength within a few weeks, while hair changes may take several months. Biotin works gradually as part of the body's natural growth cycles.

Important Information

Things You Need to Know

Your payment and personal information are protected using industry-standard SSL encryption, and all payments are securely processed through Shopify-approved payment providers. Prices are displayed in Canadian dollars, and applicable taxes are calculated at checkout.

Orders are generally processed within 1–3 business days. Standard delivery to Canada usually takes 5–15 business days after dispatch. Delivery times are estimates and may be affected by carrier delays, customs processing, weather conditions or other circumstances outside our control. Tracking information will be provided when available.

Return requests must be submitted within 30 days of delivery. Vitamins, supplements and health products must be unused, unopened, sealed and returned in their original packaging. Opened products cannot be returned unless they were delivered damaged, defective or incorrect.

Customers are responsible for return shipping costs for unwanted or change-of-mind returns, and a restocking fee of up to 20% may apply. Damaged, defective or incorrect items must be reported within 48 hours of delivery and may qualify for a replacement or full refund.

Refunds are issued to the original payment method after the returned item has been received and inspected. Refund processing may take up to 7 business days. Before returning any product, please contact our customer support team for return authorization. Returns sent without prior approval may be delayed or rejected.

Approved returns must be sent to:

Return Address Fullfillonus #1202
1128 Lexington Ave, Bldg 4 E
Rochester, New York 14606
United States

Refused or unclaimed shipments may only be refunded after they are returned and inspected. Original shipping charges, return shipping costs, customs fees and carrier charges may be deducted from the refund where applicable.

Vitamin4CA.com is operated by Cloverlight LLC.

Our Blogs