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Source Naturals L-Tryptophan with Coenzyme B-6 500 mg - 30 Tablets

$41.41

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.

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Source Naturals L-Tryptophan with Coenzyme B-6 500 mg - 30 Tablets

Source Naturals L-Tryptophan with Coenzyme B-6 500 mg - 30 Tablets

$41.41

Key Ingredients & How They Support Restful Sleep

Getting a good night's sleep is essential for overall health, and if you find yourself tossing and turning, Source Naturals L-Tryptophan with Coenzyme B-6 might be a natural solution worth considering. L-Tryptophan is an essential amino acid that the body converts into 5-HTP, then into serotonin, and finally melatonin. Serotonin influences mood, while melatonin regulates the sleep cycle. The addition of Coenzyme B-6 (pyridoxal-5-phosphate) is crucial—it acts as a cofactor in these enzymatic conversions, ensuring efficient utilisation. Each tablet provides 500 mg of L-Tryptophan, a clinically relevant dose. Unlike synthetic sleep aids, this formula works with your body’s natural chemistry.

Recommended Dosage and Usage

For general relaxation and mood support, take 1 tablet three times daily between meals, preferably with fruit juice to enhance absorption. To promote restful sleep, take 3 tablets about 30 minutes before bedtime. Consistency matters; try it for at least a week to experience the full benefits. Always follow the suggested use and do not exceed recommended serving.

Who Benefits from Source Naturals L-Tryptophan?

If you struggle with occasional sleeplessness, racing thoughts at bedtime, or simply want to support a positive mood, L-Tryptophan offers a natural pathway. This amino acid is a precursor to serotonin and melatonin, key players in relaxation and sleep-wake cycles. Source Naturals L-Tryptophan with Coenzyme B-6 is designed for adults seeking a non-habit forming way to wind down. Whether you have an irregular schedule or just need help settling into restful slumber, this supplement may support your body’s innate rhythms.

Potential Side Effects and Safety

L-Tryptophan is generally well-tolerated. Some individuals may experience mild nausea, dizziness, or drowsiness. Do not take with MAO inhibitors or SSRIs without consulting your physician. Avoid operating heavy machinery after taking for sleep. This product is not habit-forming. Pregnant or nursing women, or those with medical conditions, should consult a healthcare professional before use.

These statements have not been evaluated by Health Canada. This product is not intended to diagnose, treat, , or prevent any disease.

How Source Naturals L-Tryptophan Compares to Competitors

Source Naturals has been a trusted brand for over 40 years, founded by CEO Ira Goldberg in 1982. Unlike many generic brands, this formula includes the active coenzyme form of B-6 (not pyridoxine HCl), which is directly usable by the body. Manufactured in Scotts Valley, CA under strict cGMPs, every batch is tested for purity and potency. The combination of L-Tryptophan with a cofactor ensures maximal conversion efficiency, setting it apart from standalone tryptophan products.

Frequently Asked Questions

Can I take this with other supplements? L-Tryptophan may interact with 5-HTP or melatonin. Consult your healthcare provider for personalized advice.
Is this safe for long-term use? L-Tryptophan is an amino acid and is generally safe for long-term use. However, periodic breaks are recommended.
Does it cause drowsiness during the day? When used as directed for relaxation (1 tablet), it is not sedating. The higher dose for sleep may cause next-day drowsiness if sleep is insufficient.
Is this product vegan? The tablets are made with vegetarian-friendly ingredients, but check the label for specific excipients.

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.

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