Bio-Tech Pharmacal

K1-1000 (Vitamin K1), 100 Capsules

K1-1000 from Bio-Tech Pharmacal delivers 1,000 mcg of phylloquinone (Vitamin K1) per capsule, the form of Vitamin K most concentrated in leafy green vegetables.

4.6 across 4 sources

May be a fit for

  • Adults seeking vitamin K1 support for healthy coagulation factors
  • Individuals maintaining dietary vitamin K1 intake through supplementation
  • Those on monitored wellness routines looking to support K1 levels
$21.99

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CapsulesFormat
100 CapsulesPack size
The essentials

A closer look.

K1-1000 from Bio-Tech Pharmacal delivers 1,000 mcg of phylloquinone (Vitamin K1) per capsule, the form of Vitamin K most concentrated in leafy green vegetables. Vitamin K1 supports normal blood clotting processes and may help maintain bone metabolism for those seeking targeted nutritional support.

Why It's Worth Considering: Bio-Tech Pharmacal is known for straightforward, single-nutrient formulations with minimal excipients, and this dose provides a meaningful level of K1 suitable for adults under practitioner guidance.

The Apotheca perspective

50+ signals. A clearer standard.

Our curation and trust scoring bring together manufacturing, testing, research, practitioner insight and reviews from across the web.

78OUT OF 100
Manufacturing4343
Lab verification7878
Transparency7070

Our score is an editorial assessment, not a product certification or a guarantee of results.

Inside the formula

Product details

Who it may suit

May be a fit for

  • Adults seeking vitamin K1 support for healthy coagulation factors
  • Individuals maintaining dietary vitamin K1 intake through supplementation
  • Those on monitored wellness routines looking to support K1 levels
  • People with limited leafy green intake seeking phylloquinone support

Considerations

  • Autoimmune conditions (some adaptogens stimulate immune activity)
  • Bipolar disorder (stimulating adaptogens may trigger mania)
  • Taking blood pressure or blood sugar medications (additive effects)
  • Pregnancy (most adaptogens lack pregnancy safety data)
What to expect over time
Week 1–2

Energy & Mood

Improved stress tolerance and energy

Week 2–4

Cognitive Clarity

Better focus and mental endurance

Week 4–8

Hormonal Balance

Cortisol normalization and adrenal support

Month 2–3

Resilience

Sustained stress resilience and performance

Based on clinical adaptogen research. Benefits compound with consistent daily use over 4-12 weeks.

Explore complementary products
From across the web

Real reviews. A wider perspective.

Customer reviews, social conversations and expert insights, with every source in view.

4.6/5Aggregate source rating
Marketplaces & brand websites
Amazon, iHerb and direct brand reviews
Social & community
Reddit, X, Instagram and TikTok
Video & creators
YouTube and creator perspectives

Coverage varies by product and brand.

73 product and brand ratings and mentions across 4 sources.

Explore the source sentiment summary

Strong positive consensus on K2 benefits for bones and cardiovascular health, with high enthusiasm for MK4/MK7 forms and Japanese clinical evidence.

This summary includes broader brand discussion. Individual experiences are not evidence of product effectiveness.

Good to know

A few useful answers.

Research & further reading

More category questions

What are adaptogens and how do they work?

Adaptogens are herbs that help your body adapt to stress by modulating the HPA (hypothalamic-pituitary-adrenal) axis — the master stress response system. They normalize cortisol levels: lowering it when too high (chronic stress) and supporting it when too low (adrenal fatigue). They don't mask stress — they improve your body's capacity to handle it.

Which adaptogen is best for me?

Calming: Ashwagandha, Holy Basil, Reishi. Energizing: Rhodiola, Cordyceps, Eleuthero, Maca. Balanced: Schisandra, Panax Ginseng. For stress/anxiety: start with ashwagandha. For fatigue/performance: start with rhodiola or cordyceps. Many people combine a calming + energizing adaptogen for balanced support.

Should I cycle adaptogens?

Most practitioners recommend cycling: 6-8 weeks on, 2 weeks off. This maintains sensitivity and prevents adaptation. Some adaptogens (like ashwagandha) can be taken longer; others (like rhodiola) tend to plateau after 12 weeks without a break. You can also rotate between different adaptogens for varied benefits.

Can I take adaptogens with caffeine?

Yes — most adaptogens pair well with caffeine. Rhodiola + caffeine provides sustained energy without jitters. Ashwagandha + caffeine balances stimulation with calm. L-theanine (technically an amino acid, not an adaptogen) is the best caffeine pairing for focused energy.

Supplement information is provided for education and is not a substitute for personalized medical advice. Supplements are not intended to diagnose, treat, cure or prevent disease. Read the current product label before use.

Bio-Tech Pharmacal - K1-1000 (Vitamin K1), 100 Capsules Bio-Tech Pharmacal

Apotheca quality score

78/100

The overall score combines several sources of information. The individual dimensions below show where those signals are stronger or more limited; they are not a simple average of the overall score.

Manufacturing4343
Lab verification7878
Review consensus94.694.6
Practitioner signals5050
Community signals6060
Transparency7070
See available brand signals
✓
Quality ingredients with verified sourcingGood
✓
Clean FDA regulatory recordNo issues
✓
Positive consumer reviews and community feedbackGood
✓
Authorized distribution channel verifiedDirect

Our score is an editorial assessment, not a product certification or a guarantee of results.

How our scoring works ↗